Filter products
                                –
                            
                        
                                                    
                                            - General laboratory consumables
- Occupational safety, Security
- Analytical measurement and testing
- Stirring, Shaking, Mixing
- Sample preparation
- Distillation, separation, filtration
- Heating and cooling technology
- Liquid Handling
- Vacuum technology, Drying, Dry storage
- Optical instruments and Microscopes
- Cleaning and sterilisation
- Environmental-, soil-, water-, food analysis
- Life Sciences
- Chromatography
- Cleanroom
- About Us
                                                                                        
                                                                                            
                                    pH buffer solutions
                                
                            
                                                            
                                    
                                                                            
                                
                            
                                                            
                                    
                                    Clear, Colourless pH Buffer Solutions. Tested and ISO17025 Certified at 20 °C, supplied with a detailed Certificate of Analysis which outlines traceability to N.I.S.T. Temperature dependence data is printed on the label as are lot numbers and expiry dates. Containers made of HDPE.* Phthalate free
                                
                            
                                
    
                                                                    
                            
            
                                                                
                                                                                        
                                                                                            
                                    pH Buffer Solutions
                                
                            
                                                            
                                    
                                                                            
                                
                            
                                                            
                                    
                                    Clear, Colourless pH Buffer Solutions. Tested at 25 °C and certified by Reagecon's ISO 17025 AccreditedTest Method. NIST traceable and presented in various pack sizes.
                                
                            
                                
    
                                                                    
                            
            
                                                                
                                                                                        
                                                                                            
                                    pH buffer Standards DIN 19266
                                
                            
                                                            
                                    
                                                                            
                                
                            
                                                            
                                    
                                    Clear, colourless DIN value pH buffer solutions. Tested at 25 °C and certified by Reagecon's ISO 17025 accredited test method. NIST traceable and presented in 500 ml bottles.Other pack sizes available upon request.
                                
                            
                                
    
                                                                    
                            
            
                                                                
                                                                                        
                                                                                            
                                    Technical  pH buffer solutions
                                
                            
                                                            
                                    
                                                                            
                                
                            
                                                            
                                    
                                    Colour coded. Tested and ISO 17025 Certified at 25 °C. Uncertainty of measurement ±0.02 pH. Temperature dependence data is printed on the label as are lot numbers and expiry dates. These pH buffer solutions are suitable for use where very accurate measurements are required and are supplied with a detailed Certificate of Analysis which outlines traceability to N.I.S.T (the N.I.S.T SRM(s) Lot No. is stated on the certificate). This item has a 12 to 36 month shelf life from date of manufacture depending on pH value.
                                
                            
                                
    
                                                                    
                            
            
                                                                
                                                                                        
                                                                                            
                                    pH buffer solutions, Bag in Box, 20 °C
                                
                            
                                                            
                                    
                                                                            
                                
                            
                                                            
                                    
                                    Clear or coloured pH buffer solutions. Supplied in convenient Bag in Box with dispensing tap. Tested and ISO 17025 certified at 20 °C. Uncertainty of measurement ±0.01 pH. Supplied with a detailed Certificate of Analysis which outlines traceability to N.I.S.T. Temperature dependence data is printed on the label as are lot numbers and expiry dates.
                                
                            
                                
    
                                                                    
                            
            
                                                                
                                                                                        
                                                                                            
                                    pH buffer solutions, Bag in Box, 25 °C
                                
                            
                                                            
                                    
                                                                            
                                
                            
                                                            
                                    
                                    Clear or coloured pH buffer solutions. Supplied in convenient Bag in Box with dispensing tap. Tested and ISO 17025 certified at 25 °C. Uncertainty of measurement ±0.01 pH. Supplied with a detailed Certificate of Analysis which outlines traceability to N.I.S.T. Temperature dependence data is printed on the label as are lot numbers and expiry dates.* without ADR
                                
                            
                                
    
                                                                    
                            
            
                                                                
                                                                                        
                                                                                            
                                    Redox Standard solution
                                
                            
                                                            
                                    
                                                                            
                                
                            
                                                            
                                    
                                    All values quoted are potentials of Platinum Electrode v Ag/AgCl reference (3M KCl) at 25 °C.Bottles of 500 ml.
                                
                            
                                
    
                                                                    
                            
            
                                                                
                                                                                        
                                                                                            
                                    Electrode filling (Electrolyte) solutions
                                
                            
                                                            
                                    
                                                                            
                                
                            
                                                            
                                    
                                    For refilling or replacing reference electrolyte for electrodes, compatible with all brand of electrodes (liquid electrolyte). Supplied in an easy to use thin nozzle HDPE dropper bottle. Designed to extend the useful life of pH electrodes.* free from Silver ion.
                                
                            
                                
    
                                                                    
                            
            
                                                                
                                                                                        
                                                                                            
                                    LLG-pH buffer solutions
                                
                            
                                                            
                                    
                                                                            
                                
                            
                                                            
                                    
                                    The ready-to-use pH buffer solutions offer high quality and precision.Tolerance ±0.01, tested and certified at 20 °CBatch number, expiry date, and temperature dependence data table printed on the labelTraceable to NIST (SRM)pH 9 and 10 are borax-freeThe safety data sheets of these products are available under www.llg-labware.com.
                                
                            
                                
    
                                                                    
                            
            
                                                                
                                                                                        
                                                                                            
                                    pH buffer solutions
                                
                            
                                                            
                                    
                                                                            
                                
                            
                                                            
                                    
                                    Technical, NIST/DIN and certified buffer solutions for calibrating pH electrodes.Tolerance: ± 0.02 pH
                                
                            
                                
    
                                                                    
                            
            
                                                                
                                                                                        
                                                                                            
                                    Calibration solutions ORP/Redox
                                
                            
                                                            
                                    
                                                                            
                                
                            
                                                            
                                    
                                    Disposable bags for effective calibration. Traceability according to NIST. ORP + 468 mV (± 5 mV) at 25 °C.
                                
                            
                                
    
                                                                    
                            
            
                                                                
                                                                                        
                                                                                            
                                    pH buffer solutions at 20 °C, certified reference material (CRM)
                                
                            
                                                            
                                    
                                                                            
                                
                            
                                                            
                                    
                                    Certified reference material according to ISO 17034. The pH buffer solutions are colour-coded and the uncertainty of measurement of ±0.01 pH was tested at 20 °C. Supplied with detailed certification report which includes traceability to NIST. Lot numbers and expiry dates are printed on the label.
                                
                            
                                
    
                                                                    
                            
            
                                                                
                                                                                        
                                                                                            
                                    pH buffer solutions at 25 °C, certified reference material (CRM)
                                
                            
                                                            
                                    
                                                                            
                                
                            
                                                            
                                    
                                    Certified reference material according to ISO 17034. The pH buffer solutions are colour-coded and the uncertainty of measurement of ±0.01 pH was tested at 25 °C. Supplied with detailed certification report which includes traceability to NIST. Lot numbers and expiry dates are printed on the label.
                                
                            
                                
    
                                                                    
                            
            
                                                                
                                                                                        
                                                                                            
                                    Technical pH buffer solutions, certified reference material (CRM)
                                
                            
                                                            
                                    
                                                                            
                                
                            
                                                            
                                    
                                    Certified reference material according to ISO 17034. The pH buffer solutions are colour-coded and the uncertainty of measurement of ±0.02 pH was tested at 25 °C. Supplied with detailed certification report which includes traceability to NIST. Lot numbers and expiry dates are printed on the label.
                                
                            
                                
    
                                                                    
                            
            
                                                                
                                                                                        
                                                                                            
                                    pH buffer solutions CYP20
                                
                            
                                                            
                                    
                                                                            
                                
                            
                                                            
                                    
                                    pH buffers for the daily and high-precision calibration and adjustment of pH electrodes.Accuracy (±0.02) and reproducibility help to optimise the pH value and thus increase product quality and yieldTraceable to NIST and PTB standard reference material
                                
                            
                                
    
                                                                    
                            
            
                                                                
                                                                                        
                                                                                            
                                    Electrolyte solution
                                
                            
                                                            
                                    
                                                                            
                                
                            
                                                            
                                    
                                    Electrolyte solution to refill the liquid filled reference system of pH electrodes.
                                
                            
                                
    
                                                                    
                            
            
                                                                
                                                                                        
                                                                                            
                                    Regeneration solution for pH electrodes
                                
                            
                                                            
                                    
                                                                            
                                
                            
                                                            
                                    
                                    Regeneration solution for reactivating pH electrodes. Treatment time approx. 1 minute.
                                
                            
                                
    
                                                                    
                            
            
                                                                
                                                                                        
                                                                                            
                                    Buffer Solutions
                                
                            
                                                            
                                    
                                                                            
                                
                            
                                                            
                                    
                                    Guarantee of accuracyCertificate including the actual value and expiry dateCertified traceable to primary SRM from NIST/PTBResistant to microbesConvenient 250 ml/500 ml plastic bottle with built-in calibration compartmentEconomical, since less buffer is used per calibrationCertified pH value of one for the pH measurement accredited DKD laboratory
                                
                            
                                
    
                                                                    
                            
            
                                                                
                                                                                        
                                                                                            
                                    ISE sample conditioning solutions
                                
                            
                                                            
                                    
                                                                            
                                
                            
                                                            
                                    
                                    For sample preparation with pre-made ion strength adjuster solutions (ISA and TISAB) for the direct concentration determination with ion selective electrodes.
                                
                            
                                
    
                                                                    
                            
            
                                                                
                                                                                        
                                                                                            
                                    ISE reference electrolyte
                                
                            
                                                            
                                    
                                                                            
                                
                            
                                                            
                                    
                                    Bridge electrode for reference electrodes as well as combined ISE electrodes of the 800 series for adaptation to the sample composition.
                                
                            
                                
    
                                                                    
                            
            
                                                                
                                                                                        
                                                                                            
                                    Cleaning and storage solutions for pH-electrodes
                                
                            
                                                            
                                    
                                                                            
                                
                            
                                                            
                                    
                                    Cleaning, rinse, regeneration and storage solution. Designed to extend the useful life of pH electrodes.
                                
                            
                                
    
                                                                    
                            
            
                                                                
                                                                                        
                                                                                            
                                    Electrolyte solution for reference electrodes
                                
                            
                                                            
                                    
                                                                            
                                
                            
                                                            
                                    
                                    LiCI solution 1 mol/l in ethanol for measurements in non-aqueous media.
                                
                            
                                
    
                                                                    
                            
            
                                                                
                                                                                        
                                                                                            
                                    pH buffer solutions
                                
                            
                                                            
                                    
                                                                            
                                
                            
                                                            
                                    
                                    For accurate and reproducible calibration of pH meters and pH electrodes.Colour-codedNIST™-traceable standard reference materialsBottles of 475 ml
                                
                            
                                
    
                                                                    
                            
            
                                                                
                                                                                        
                                                                                            
                                    pH buffer solutions Eutech™
                                
                            
                                                            
                                    
                                                                            
                                
                            
                                                            
                                    
                                    According to Directive 67/548/EEC or Directive 1999/45/EC. Bottles of 480 ml.
                                
                            
                                
    
                                                                    
                            
            
                                                                
                                                                                        
                                                                                            
                                    pH buffer solutions Eutech™ with colour coding
                                
                            
                                                            
                                    
                                                                            
                                
                            
                                                            
                                    
                                    According to Directive 67/548/EEC or Directive 1999/45/EC. Bottles of 480 ml.
                                
                            
                                
    
                                                                    
                            
            
                                                                 
                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                