Analytical column system manufactured from stainless steel M 8 outer threads on both ends combination of sealing element and very fine-meshed stainless steel screen, PTFE sealing ring and fitting adaptor column heads SW 12 with inner threads M8 x 0,75 and UNF 10-32, as built -in guard columns use ChromCart® guard column cartridges with 8mm length with the guard column adaptor EC, packed with NUCLEODUR® spherical silica.
Sulphonated polystyrene/divinylbenzene resins in diffent ionic forms and RP chromatographySeparation mechanism includes ion exclusion, ion exchange, size exclusion, ligand exchange as well as NP and RP chromatographyValco type columns for separation of mono-, di- and oliogosaccharides - USP L19 eluent in column water.
Sulphonated polystyrene/divinylbenzene resins in diffent ionic forms and RP chromatographySeparation mechanism includes ion exclusion, ion exchange, size exclusion, ligand exchange as well as NP and RP chromatographyThis guard columns require the CC column holder 30 mm.
Sulphonated polystyrene/divinylbenzene resins in diffent ionic forms and RP chromatographySeparation mechanism includes ion exclusion, ion exchange, size exclusion, ligand exchange as well as NP and RP chromatographyValco type columns for separation of sugars, sugar alcohols and organic acids - USP L17 eluent in column 0.01 N H2SO4
Sulphonated polystyrene/divinylbenzene resins in diffent ionic forms and RP chromatographySeparation mechanism includes ion exclusion, ion exchange, size exclusion, ligand exchange as well as NP and RP chromatographyThis guard columns require the CC column holder 30 mm.
Special octadecyl phase for PAH analysis.Base material NUCLEOSIL® silica, particle size 5 µm, pore size 100 Å; polymeric coating - USP L1; eluent in column acetonitrile/water 70:30; allows efficient gradient separation of the 16 PAH in accordance with EPA.Detection of the separated PAH by UV (250 to 280 nm), with diode array or with fluorescence detection at different wavelegths for excitation and emission (acenaphthylene cannot be analysed with fluorescence detection).Guard columns for EC columns NUCLEOSIL® 100-5 C18 PAH, 5 µm available on request.
NUCLEOCEL DELTA enantiomer separation based on cellulose derivativesBase material silica,chiral selector Cellulosetris-(3,5-dimethylphenylcarbamate) - USP L40Similar phases: Chiralcel® OD, Kromasil®, CelluCoat™, Eurocel® 01S-Type for high resolution, allows use of shorter columns (150 mm) for faster separations, pressure stability up to ~ 150 bar (2000 psi).Recommended applications: pharmaceutically active compounds, chiral pollutants (e. g. herbicides, PCB), chiral compounds in food (dyes, preservatives), chiral catalysts and bioorganic compounds.NUCLEOCEL DELTA for normal phase applications:Eluent in column n-heptane - propanol-2 (90:10, v/v), particle size 5 µm.
NUCLEOCEL DELTA enantiomer separation based on cellulose derivativesBase material silica,chiral selector Cellulosetris-(3,5-dimethylphenylcarbamate) - USP L40Similar phases: Chiralcel® OD, Kromasil®, CelluCoat™, Eurocel® 01S-Type for high resolution, allows use of shorter columns (150 mm) for faster separations, pressure stability up to ~ 150 bar (2000 psi).Recommended applications: pharmaceutically active compounds, chiral pollutants (e. g. herbicides, PCB), chiral compounds in food (dyes, preservatives), chiral catalysts and bioorganic compounds.NUCLEOCEL DELTA-RP for reversed phase applications:Eluent in column acetonitrile - water (40:60, v/v), particle size 5 µm. Designed for use either in polar organic mode or with eluents containing high concentrations of chaotropic salts such as perchlorate.
Available with medium density octadecyl (C18 - USP L1) and octyl (C8 - USP L7) modification pore size 110 Å, particle sizes 3 µm and 5 µm; 7 µm, 10 µm, 12 µm, 16 µm, 20 µm, 30 µm und 50 µm for preparative separations on request for daily routine analysis and up-scaling for preparative HPLC, pH stability 1 - 9. Carbon content 17.5 % C for C18, 10.5 % C for C8, high reproducibility from lot to lot for standard routine applications in reversed phase chromatography.Octadecyl phases, 17.5 % C, particle size 5 µm.
Totally spherical high purity silica - USP L3 pore size 110 Å, pore volume 0.9 ml/g, surface (BET) 340 m²/g, density 0.47 g/ml, pressure stability 800 bar, pH stability 2 - 8.Particle size 5 µm.
Available with medium density octadecyl (C18 - USP L1) and octyl (C8 - USP L7) modification pore size 110 Å, particle sizes 3 µm and 5 µm; 7 µm, 10 µm, 12 µm, 16 µm, 20 µm, 30 µm und 50 µm for preparative separations on request for daily routine analysis and up-scaling for preparative HPLC, pH stability 1 - 9. Carbon content 17.5 % C for C18, 10.5 % C for C8, high reproducibility from lot to lot for standard routine applications in reversed phase chromatography.Octadecyl phases, 17.5 % C, particle size 3 µm.
Available with medium density octadecyl (C18 - USP L1) and octyl (C8 - USP L7) modification pore size 110 Å, particle sizes 3 µm and 5 µm; 7 µm, 10 µm, 12 µm, 16 µm, 20 µm, 30 µm und 50 µm for preparative separations on request for daily routine analysis and up-scaling for preparative HPLC, pH stability 1 - 9. Carbon content 17.5 % C for C18, 10.5 % C for C8, high reproducibility from lot to lot for standard routine applications in reversed phase chromatography.Octyl phases, 10.5 % C, particle size 3 µm.
NUCLEODUR® C18 - C 8 Gravity nonpolar high density phasesAvailable as octadecyl (C18 -USP L1) and octyl (C8 - USP L7) modifications. Pore size 110 Å.Ideal for method developmentAllows HPLC at pH extremes (pH 1 - 11)Suitable for LC/MS due to low bleeding characteristicsRecommended for overall sophisticated analytical separationsOptimal for: pharmaceuticals, e.g. analgesics, antiinflammatory drugs, antidepressants, herbicides, phytopharmaceuticals, immunosppressantsParticle size 1.8 µm, 18 % C
NUCLEODUR® C18 - C 8 Gravity nonpolar high density phasesAvailable as octadecyl (C18 -USP L1) and octyl (C8 - USP L7) modifications. Pore size 110 Å.Ideal for method developmentAllows HPLC at pH extremes (pH 1 - 11)Suitable for LC/MS due to low bleeding characteristicsRecommended for overall sophisticated analytical separationsOptimal for: pharmaceuticals, e.g. analgesics, antiinflammatory drugs, antidepressants, herbicides, phytopharmaceuticals, immunosppressantsParticle size 3 µm, 18 % C.
NUCLEODUR® C18 - C 8 Gravity nonpolar high density phasesAvailable as octadecyl (C18 -USP L1) and octyl (C8 - USP L7) modifications. Pore size 110 Å.Ideal for method developmentAllows HPLC at pH extremes (pH 1 - 11)Suitable for LC/MS due to low bleeding characteristicsRecommended for overall sophisticated analytical separationsOptimal for: pharmaceuticals, e.g. analgesics, antiinflammatory drugs, antidepressants, herbicides, phytopharmaceuticals, immunosppressantsParticle size 5 µm, 18 % C
Pore size 110 Å, - USP L10Multi-mode columns (RP and NP)Widens the scope in selectivityDiffernet retention characteristics compared to C8 and C18Stable against hydrolysis at low pH values, working range pH 1-8High reproducibility from lot to lotIdeal for: tricyclic antidepressants, steroids, organic acidsEluent in column n-heptane, particle size 5 µm.
Pore size 110 Å, - USP L10Multi-mode columns (RP and NP)Widens the scope in selectivityDiffernet retention characteristics compared to C8 and C18Stable against hydrolysis at low pH values, working range pH 1-8High reproducibility from lot to lotIdeal for: tricyclic antidepressants, steroids, organic acidsEluent in column acetonitrile, particle size 5 µm
Pore size 110 Å, - USP L10Multi-mode columns (RP and NP)Widens the scope in selectivityDiffernet retention characteristics compared to C8 and C18Stable against hydrolysis at low pH values, working range pH 1-8High reproducibility from lot to lotIdeal for: tricyclic antidepressants, steroids, organic acidsEluent in column acetonitrile, particle size 3 µm.
Stable in 100 % aqueous eluent systems- USP L1Pore size 110 ÅInteresting polar selectivity featuresExcellent base deactivation; suitable for LC/MS due low bleeding characteristicspH stability 1 - 9Ideal for: analgesics, penicillin antibiotics, nucleic acid bases, water-soluble vitamins, complexing agetns, organic acidsParticle size 5 µm, 14 % C
Stable in 100 % aqueous eluent systems- USP L1Pore size 110 ÅInteresting polar selectivity featuresExcellent base deactivation; suitable for LC/MS due low bleeding characteristicspH stability 1 - 9Ideal for: analgesics, penicillin antibiotics, nucleic acid bases, water-soluble vitamins, complexing agetns, organic acidsParticle size 3 µm, 14 % C
Stable in 100 % aqueous eluent systems- USP L1Pore size 110 ÅInteresting polar selectivity featuresExcellent base deactivation; suitable for LC/MS due low bleeding characteristicspH stability 1 - 9Ideal for: analgesics, penicillin antibiotics, nucleic acid bases, water-soluble vitamins, complexing agetns, organic acidsParticle size 1.8 µm, 14 % C.
C18 phase with special polymeric, crosslinked surface modification - USP L1Pore size 110 ÅHigh steric selectivityOutstanding surface deactivationSuitable for LC/MS due low bleeding characteristicspH stability 1 - 10Broad range of application: steroids, (o,p,m-) substituted aromatics, fat-soluble vitaminsParticle size 3 µm, 20 % C
C18 phase with special polymeric, crosslinked surface modification - USP L1Pore size 110 ÅHigh steric selectivityOutstanding surface deactivationSuitable for LC/MS due low bleeding characteristicspH stability 1 - 10Broad range of application: steroids, (o,p,m-) substituted aromatics, fat-soluble vitaminsParticle size 1.8 µm, 20 % C
C18 phase with special polymeric, crosslinked surface modification - USP L1Pore size 110 ÅHigh steric selectivityOutstanding surface deactivationSuitable for LC/MS due low bleeding characteristicspH stability 1 - 10Broad range of application: steroids, (o,p,m-) substituted aromatics, fat-soluble vitaminsParticle size 5 µm, 20 % C
Available with medium density octadecyl (C18 - USP L1) and octyl (C8 - USP L7) modification pore size 110 Å, particle sizes 3 µm and 5 µm; 7 µm, 10 µm, 12 µm, 16 µm, 20 µm, 30 µm und 50 µm for preparative separations on request for daily routine analysis and up-scaling for preparative HPLC, pH stability 1 - 9. Carbon content 17.5 % C for C18, 10.5 % C for C8, high reproducibility from lot to lot for standard routine applications in reversed phase chromatography.Octyl phases, 10.5 % C, particle size 5 µm.
Pore size 110 Å, particle sizes 3 and 5 µm; 2.5 % C; not endcapped - USP L8Multi-mode columns (RP and NP):Normal phase chromatography (NP) with hexan, dichloromethane or 2-propanol as mobile phase for polar compounds such as substituted anilines, esters, chlorinated pesticidesReversed phase chromatography (RP) of polar compounds like sugars in aqueous-organic eluent systemsIon exchange chromatography of anions and organic acids using common buffers and organic modifiersstable against hydrolysis at low pH, working range pH 2-8, 100 % stable in water, suitable for LC-MSIdeal for:polar compounds under RP conditions (sugars, DNA bases), hydrocarbons under NP conditionsEluent in column is n-heptane for the NP mode - RP columns are delivered in acetonitrile - water. For changing the solvent system a rinsing step with THF may be necessary.Eluent in column n-heptane, particle size 5 µm.
Pore size 110 Å, particle sizes 3 and 5 µm; 2.5 % C; not endcapped - USP L8Multi-mode columns (RP and NP):Normal phase chromatography (NP) with hexan, dichloromethane or 2-propanol as mobile phase for polar compounds such as substituted anilines, esters, chlorinated pesticidesReversed phase chromatography (RP) of polar compounds like sugars in aqueous-organic eluent systemsIon exchange chromatography of anions and organic acids using common buffers and organic modifiersstable against hydrolysis at low pH, working range pH 2-8, 100 % stable in water, suitable for LC-MSIdeal for:polar compounds under RP conditions (sugars, DNA bases), hydrocarbons under NP conditionsEluent in column is n-heptane for the NP mode - RP columns are delivered in acetonitrile - water. For changing the solvent system a rinsing step with THF may be necessary.Eluent in column acetonitrile, particle size 5 µm.
NUCLEODUR® C18 - C 8 Gravity nonpolar high density phasesAvailable as octadecyl (C18 -USP L1) and octyl (C8 - USP L7) modifications. Pore size 110 Å.Ideal for method developmentAllows HPLC at pH extremes (pH 1 - 11)Suitable for LC/MS due to low bleeding characteristicsRecommended for overall sophisticated analytical separationsOptimal for: pharmaceuticals, e.g. analgesics, antiinflammatory drugs, antidepressants, herbicides, phytopharmaceuticals, immunosppressantsParticle size 5 µm, 11 % C
NUCLEODUR® C18 - C 8 Gravity nonpolar high density phasesAvailable as octadecyl (C18 -USP L1) and octyl (C8 - USP L7) modifications. Pore size 110 Å.Ideal for method developmentAllows HPLC at pH extremes (pH 1 - 11)Suitable for LC/MS due to low bleeding characteristicsRecommended for overall sophisticated analytical separationsOptimal for: pharmaceuticals, e.g. analgesics, antiinflammatory drugs, antidepressants, herbicides, phytopharmaceuticals, immunosppressantsParticle size 1.8 µm, 11 % C.
Distinct selectivity based on bifunctional surface coverage - USP L1 and USP L11Pore size 110 ÅHigh density of covalently bonded silanes for tailing-free peaks widens the scope for method developmentpH stability 1 - 10Suitable for LC/MS due low bleeding characteristicsHigh reproducibility and consistent quality due to tight QC proceduresRange of application: quinolone antibiotics, sulfonamides, xanthines, substituted aromaticsParticle size 5 µm, 15 % C
Distinct selectivity based on bifunctional surface coverage - USP L1 and USP L11Pore size 110 ÅHigh density of covalently bonded silanes for tailing-free peaks widens the scope for method developmentpH stability 1 - 10Suitable for LC/MS due low bleeding characteristicsHigh reproducibility and consistent quality due to tight QC proceduresRange of application: quinolone antibiotics, sulfonamides, xanthines, substituted aromaticsParticle size 3 µm, 15 % C
Distinct selectivity based on bifunctional surface coverage - USP L1 and USP L11Pore size 110 ÅHigh density of covalently bonded silanes for tailing-free peaks widens the scope for method developmentpH stability 1 - 10Suitable for LC/MS due low bleeding characteristicsHigh reproducibility and consistent quality due to tight QC proceduresRange of application: quinolone antibiotics, sulfonamides, xanthines, substituted aromaticsParticle size 1.8 µm, 15 % C
NUCLEODUR® C18 - C 8 Gravity nonpolar high density phases.Available as octadecyl (C18 -USP L1) and octyl (C8 - USP L7) modificationsPore size 110 Å; particle sizes 1,8 µm, 3 µm and 5 µm for C18, 1,8 and 5 µm for C87, 10, 12 and 16 µm particles for preparative separations on requestCarbon content 18 % C for C18 , 11% C for C8 ideal for method developmentAllows HPLC at pH extremes (pH 1 - 11)Suitable for LC/MS due to low bleeding characteristicsRecommended for overall sophisticated analytical separationsOptimal for: pharmaceuticals, e.g. analgesics, antiinflammatory drugs, antidepressants; herbicides; phytopharmaceuticals; immunosppressantsGuard columns for EC columns require guard column adapter EC (Cat. No. 7.081 898)
C18 phase with special polymeric, crosslinked surface modification - USP L1Pore size 110 ÅHigh steric selectivityOutstanding surface deactivationSuitable for LC/MS due low bleeding characteristicspH stability 1 - 10Broad range of application: steroids, (o,p,m-) substituted aromatics, fat-soluble vitaminsGuard columns for EC columns require the guard column adapter EC.