CHROMABOND® C18
Octadecyl modified silica phase for SPE, not endcappedBase material silica, pore size 60 Å, particle size 45 µm for C18, specific surface 500 m²/g, pH stability 2 to 8 octadecyl phases, not endcapped, carbon content 14 % possesses more free silanols (SiOH), which allow secondary interactions with polar groups of the analytes.Recommended applications: non-polar compounds, pesticides.
CHROMABOND® C18 ec
Octadecyl modified silica phase for SPE, endcappedBase material silica, particle size 45 µm for C18 ec, specific surface 500 m²/g, pH stability 2 to 8. Octadecyl phases, endcapped, carbon content 14 % very non-polar, hydrophobic interactions with a wide variety of organic compounds. Advantageous for clean-up of samples with large structural variations (polarity differences).Recommended applications: non-polar compounds, aflatoxins, amphetamines, antibiotics, antiepileptics, barbiturates, caffeine, drugs, preservatives, fatty acids, nicotine, PAHs, pesticides, PCBs, heavy metals, vitamins. Very well suited for desalting of samples.
CHROMABOND® C18 ec, glass column
Octadecyl modified silica phase for SPE, endcappedBase material silica, particle size 45 µm for C18 ec, specific surface 500 m²/g, pH stability 2 to 8. Octadecyl phases, endcapped, carbon content 14 %, very non-polar, hydrophobic interactions with a wide variety of organic compounds. Advantageous for clean-up of samples with large structural variations (polarity differences).Recommended applications: non-polar compounds, aflatoxins, amphetamines, antibiotics, antiepileptics, barbiturates, caffeine, drugs, preservatives, fatty acids, nicotine, PAHs, pesticides, PCBs, heavy metals, vitamins. Very well suited for desalting of samples.
CHROMABOND® Alox A / Alox N / Alox B
aluminium oxide, acidic, neutral, basicaluminium oxide, high purity, pore volume 0.90ml/g, particle size 60 to 150µm, specific surface 150m²/g, acidic, pH 4 ± 0.5, recommended application: together with phase SA for PCB and pesticides.Alox A: acidic, pH 4 ± 0.5Alox N: neutral, pH 7 ± 0.5Alox B: basic, pH 9.5 ± 0.5
CHROMABOND® C8
Octyl modified silica phase for SPE, not endcappedBase material silica, pore size 60Å, particle size 45µm, specific surface 500m²/g, pH stability 2 to 8. Octyl phase, not endcapped, carbon content 8%, similar to C18, however slightly more polar. Secondary interactions with polar compounds are more pronounced due to shorter alkyl chains.Recommended applications: pesticides, PCBs.
CHROMABOND® NH2
Aminopropyl modified silica phase for SPEBase material silica, pore size 60Å, particle size 45µm, specific surface 500m²/g, pH stability 2 to 8, aminopropyl phase, carbon content 3.5%, polar, weak anion exchanger.Recommended applications: trace elements, lipids.
CHROMABOND® OH (Diol)
Diol modified silica phase for SPEBase material silica, pore size 60Å, particle size 45µm, specific surface 500m²/g, pH stability 2 to 8, diol phase, carbon content 5.5%, polar properties similar to SiOH.Recommended application: antibiotics, prostaglandins.
CHROMABOND® CN
Cyanopropyl modified silica phase for SPEBase material silica, pore size 60Å, particle size 45µm, specific surface 500m²/g, pH stability 2-8, cyanopropyl phase, carbon content 5.5%, polar to mid-polar. In addition to weak hydrophobic interactions selective interactions are possible due to the high electron density of the CN group.Recommended application: cyclosporins, carbohydrates.
CHROMABOND® SiOH
Unmodified silica phase for SPEUnmodified, weakly acidic silica, pore size 60Å, particle size 45µm, specific surface 500m²/g, pH stability 2 to 8, very polar, adsorbs humidity from air, for this reason it should be kept well closed and if necessary dried before use due to its high affinity for polar compounds it should not be conditioned with polar (e.g. methanol) or water-containing solvents.Recommended applications: aflatoxins, chloramphenicol, pesticides, steroids, vitamins.
CHROMABOND® SA
Benzenesulphonic acid modified silica cation exchanger for SPE (SCX)Base material silica, pore size 60Å, particle size 45µm, specific surface 500m²/g, pH stability 2 to 8, benzenesulphonic acid modified silica, strongly acidic cation exchanger (capacity ~ 0.5meq/g). Adsorbent with hydrophobic and Π-Π interactions (benzene ring). Ion exchange of organic compounds from aqueous matrix. Elution of interesting compounds with solvent systems, which compensate the ionic and nonpolar interactions, e.g. methanolic HCl.Recommended application: amino acids, amines, chlorophyll, PCB.
CHROMABOND® SB
Quaternary ammonium modified silica anion exchanger for SPE (SAX)Base material silica, pore size 60 Å, particle size 45 µm, specific surface 500 m²/g, pH stability 2 to 8. Silica modified with quaternary amine. Strongly basic anion exchanger (capacity ~ 0.3 meq/g). Not suited for very strong anions such as sulphonic acids, because these are difficult to elute.Recommended application: organic acids, caffeine, saccharin.
CHROMABOND® Florisil®
Magnesium silicate for SPEMatrix magnesium silicate (MgO to SiOH 15:85), high purity, particle size 150 to 250µm.Recommended application: organic tin compounds, aliphatic carboxylic acids, PCB, PAH.
CHROMABOND® Florisil®, glass columns
Magnesium silicate for SPEMatrix magnesium silicate (MgO to SiOH 15:85), high purity, particle size 150 to 250µm.Recommended application: organic tin compounds, aliphatic carboxylic acids, PCB, PAH.
CHROMABOND® SiOH-H2SO4/SA
Combination phase for SPE analysis of PCBsH2SO4: H2SO4-impregnated silica phase for oxidation of accompanying compounds to ionic and/or polar compounds.SA: strongly acidic cation exchanger based on silica with benzenesulphonic acid modification for removal of ionic and sulphur-containing compounds.Recommended application: extraction of PCBs from oil with reference to German industrial standard DIN 51527, part 1. This combination column is used together with a SiOH column.
CHROMABOND® NAN
Special phase for SPE analysis of PCB from sludgeSpecial combination phase:N: sodium sulphate for removal of trace water.A: SiOH/AgNO3 phase for removal of sulphur, sulphur-containing and polar compounds.Recommended application: extraction of PCB from sludge.
CHROMABOND® HR-P, glass column
Polystyrene-divinylbenzene adsorbent resin for SPEBasic material: Highly porous polystyrene-divinylbenzene copolymer specific surface 1200 m2/g.Particle size 50-100 µm very high binding capacity, up to 30 % of adsorbent weight.Recommended application: aromatic compounds, phenols from water, nitroaromatics from water, pesticides from water, PAHs from oil
CHROMABOND® HR-P
Polystyrene-divinylbenzene adsorbent resin for SPEBasic material: Highly porous polystyrene-divinylbenzene copolymer specific surface 1200 m2/g.Particle size 50-100 µm very high binding capacity, up to 30 % of adsorbent weight.Recommended application: aromatic compounds, phenols from water, nitroaromatics from water, pesticides from water, PAHs from oil
CHROMABOND® PA
Polyamide 6 for SPEMatrix polyamide 6, unmodified, high purity, particle size 40 to 80µm.Recommended application: flavonoids, PAH.
CHROMABOND® SA/SiOH
Combination phase for SPE analysis of PCBSpecial combination phase:SA: strongly acidic cation exchanger based on silica with benzenesulphonic acid modification.SiOH: unmodified silica for removal of polar compounds.Recommended application: extraction of PCB from waste oil (hexane extract).
CHROMABOND® CN/SiOH
Combination phase for SPE analysis of PAHSpecial combination phase, cyanopropyl phase for selective adsorption of polycyclic aromatics via Π-Π interactions, unmodified silica phase for removal of polar compounds.Recommended applications: Extraction of the 16 PAHs according to EPA from soil samples.
Empty columns CHROMABOND®, PP
Empty CHROMABOND® column (PP) for SPE, one PE-filter element is already inserted in the column.
CHROMABOND® vacuum manifolds and accessories
For simultaneous preparation of up to 12 or 24 samples, replacement parts and accessories for special applications.Vacuum manifold complete consists of: glass cabinet with lid and lid gasket, removable needles on lower side of lid, vacuum gauge, control valve, valves and caps, variable rack.
Centrifuge tubes for CHROMABOND® QuEchERS
QuEChERS method and pre-mixesWithin a few years after its devleopment by Anastassiades et al. the QuEChERS method has gained a leading position for determination of pesticide residues in food by GC-MS or LC-MS allowing rapid and cheap clean-up of strong matrix-contaminated samples.Standard clean-up of food samples10 g sample are homogenised with 10 ml acetonitrile. After adding the internal standard the sample is shaken with 4 g MgSO4 and 1 g NaCI and afterwards centrifuged. 1 ml of the supernantant is spiked with 25 mg CHROMABOND® Diamino and 150 mg MgSO4 and shaken again. After centrifugation the supernatant is injected into the GC/MS.Empty PP centrifuge tube with screw cap, without QuEchERS mixtures.
CHROMABOND® Na2SO4/Florisil®
Combination phase for SPE of hydrocarbons from water acc. to DIN H53 / ISO DIS 9377-4Special combination phase of sodium sulphate and Florisil®.Recommended application: hydrocarbons from drinking, surface and waste waters.
CHROMABOND® Na2SO4/Florisil®, glass columns
Combination phase for SPE of hydrocarbons from water acc. to DIN H53 / ISO DIS 9377-4Special combination phase of sodium sulphate and Florisil®.Recommended application: hydrocarbons from drinking, surface and waste waters.
CHROMABOND® C18 Hydra
Octadecyl modified silica phase for SPE of polar analytesBase material silica, pore size 60 Å, particle size 45 µm, specific surface 500 m²/g, pH stability 2 to 8, special octadecyl phase for polar analytes, not endcapped, carbon content 15 %.Recommended applications: more polar compounds like pesticides and their polar degradation products, phenols, phenoxycarboxylic acids, nitroaromatics, pharmaceuticals.
CHROMABOND® PS-OH- / PS-H+
The innovative cation exchanger offers:mixed-mode SPE phase with distinct cation exchange and RP properties excellent enrichment of basic analytesmodern support polymer with optimised pore structure and large specific surfacegood reproducibility, reliable and cost-efficient analysesmore aggressive washing procedures for matrix removal possiblecleaner samples and protection of analytical HPLC and GC instrumentationquantificationof analytes from heavily contaminated sampleslower limits of detection also for critical matrices... the perfect fit for basic analytes in comination with CHROMABOND® HR-XSPE phases for polymer-based RP and ion chromatographyBase material: high-purity polystyrene-divinylbenzene copolymers (PS/DVB) pore size 100 Å, paricle size 100µm. Verly low degree of swelling, thus very well suited for chromatography. Different modifications for different applications from elimination of nonpolar compounds up to removal of specific polar comonents.Recommended application:Removal of interfering compounds improves chromatographic separtions, if the interfering components overlap with the analyte in the chromatogramimproves lifetime of the chromatographic column, since interfering components can irreversibly block the column packing
CHROMABOND® PSA
Propylsulphonic acid modified silica cation exchanger for SPEBase material silica, pore size 60Å, particle size 45µm, specific surface 500m²/g, pH stability 2 to 8, propylsulphonic acid modified silica, very strong cation exchanger (capacity ~ 0.7meq/g), contrary to the SA phase no P-P interactions.Recommended applications: weak cations.
CHROMABOND® XTR
Kieselguhr phase for liquid-liquid extractionBase material coarse-grained kieselguhr, large pore size, high pore volume, constantly high batch-to-batch quality, pH working range 1 to 13.Application: liquid-liquid extraction of highly viscous aqueous solutions such as physiological fluids (blood, plasma, and serum) in clinical chemistry, dyes in textiles, environmental and food analysis.Glass columns availlable on request.
CHROMABOND® NH2/C18
Combination phase for SPE analysis of PAH from water containing humic acidsSpecial combination phase: aminopropyl phase for removal of interfering humic acids, octadecyl phase for enrichment of PAH.Recommended application: PAH from water containing humic acids.Glass columns available on request.
QuEChERS adsorbent CHROMABOND® Diamino / PSA
QuEChERS method and pre-mixesWithin a few years after its devleopment by Anastassiades et al. the QuEChERS method has gained a leading position for determination of pesticide residues in food by GC-MS or LC-MS allowing rapid and cheap clean-up of strong matrix-contaminated samples.Standard clean-up of food samples10 g sample are homogenised with 10 ml acetonitrile. After adding the internal standard the sample is shaken with 4 g MgSO4 and 1 g NaCI and afterwards centrifuged. 1 ml of the supernantant is spiked with 25 mg CHROMABOND® Diamino and 150 mg MgSO4 and shaken again. After centrifugation the supernatant is injected into the GC/MS.Special silica phase for determination of pesticides in food samples with primary and secondary amine functions (PSA).Particle size 45 µm, specific surface 500 m2/g, pH-stability from pH 2 to 8.