HPLC columns

C18 phase with special polymeric, crosslinked surface modification - USP L1
pore size 110 Å, particle sizes 1,8µm, 3µm and 5µm; 20%C
high steric selectivity
outstanding surface deactivation
suitable for LC/MS due low bleeding characteristics
pH stability 1 - 10
broad range of application: steroids, (o,p,m-) substituted aromatics, fat-soluble vitamins

8 % Phenyl Polycarborane-siloxane. Ultra high temperature columns for polychlorinated biphenyl compounds (PCB), nitro-substituted aromatics, polynuclear aromatic hydrocarbons, pesticides and herbicides.

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.

stabel in 100 % aqueous eluent systems- USP L1
pore size 110 Å, particle sizes 1,8µm, 3µm and 5µm; 14 % C
7 and 10µm particles for preparative separations on request
interesting polar selectivity features
excellent base deactivation; suitable for LC/MS due low bleeding characteristics
pH stability 1 - 9
Ideal for: analgesics, penicillin antibiotics, nucleic acid bases, water-soluble vitamins, complexing agetns, organic acids

C18 phase with special polymeric, crosslinked surface modification - USP L1
pore size 110 Å, particle sizes 1,8µm, 3µm and 5µm; 20%C
high steric selectivity
outstanding surface deactivation
suitable for LC/MS due low bleeding characteristics
pH stability 1 - 10
broad range of application: steroids, (o,p,m-) substituted aromatics, fat-soluble vitamins

distinct selectivity based on bifunctional surface coverage - USP L1 and USP L11
pore size 110 Å, particle sizes 1,8µm, 3µm and 5µm; 14 %C
high density of covalently bonded silanes for tailing-free peaks widens the scope for method development
pH stability 1 - 10
suitable for LC/MS due low bleeding characteristics
high reproducibility and consistent quality due to tight QC procedures
range of application: quinolone antibiotics, sulfonamides, xanthines, substituted aromatics

Available with medium density octadecyl (C18 - USP L1) and octyl (C8 - USP L7) modification pore size 110 Ä, particle sizes, 3µm and 5µm; 7µm, 10µm, 12µm, 16µm, 20µm, 30µm und 50µm 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.

Available with medium density octadecyl (C18 - USP L1) and octyl (C8 - USP L7) modification pore size 110 Ä, particle sizes, 3µm and 5µm; 7µm, 10µm, 12µm, 16µm, 20µm, 30µm und 50µm 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.

Available with medium density octadecyl (C18 - USP L1) and octyl (C8 - USP L7) modification pore size 110 Ä, particle sizes, 3µm and 5µm; 7µm, 10µm, 12µm, 16µm, 20µm, 30µm und 50µm 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 5µm.

Available with medium density octadecyl (C18 - USP L1) and octyl (C8 - USP L7) modification pore size 110 Ä, particle sizes, 3µm and 5µm; 7µm, 10µm, 12µm, 16µm, 20µm, 30µm und 50µm 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 10µm

Available with medium density octadecyl (C18 - USP L1) and octyl (C8 - USP L7) modification pore size 110 Ä, particle sizes, 3µm and 5µm; 7µm, 10µm, 12µm, 16µm, 20µm, 30µm und 50µm 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 0,9ml/g, surface (BET) 340m²/g, density 0.47g/ml, pressure stability 800 bar, pH stability 2 - 8; available particle sizes 3µm and 5µm; larger particles (10, 12, 16, 20 , 30 and 50µm) for preparative applications are available as bulk materials.
particle size 5µm.

NUCLEODUR^® C18 - C 8 Gravity nonpolar high density phases

available as octadecyl (C18 -USP L!) and octyl (C8 - USP L7) modifications
Pore size 110 Å; particle sizes 1,8µm, 3µm and 5µm for C18, 1,8 and 5µm for C8
7, 10, 12 and 16µm particles for preparative separations on request
carbon content 18 %C for C18 , 11%C for C8
ideal for method development
allows HPLC at pH extremes (pH 1 - 11)
suitable for LC/MS due to low bleeding characteristics
recommended for overall sophisticated analytical separations
optimal for: pharmaceuticals, e.g. analgesics, antiinflammatory drugs, antidepressants; herbicides; phytopharmaceuticals; immunosppressants
Particle size 5µm, 18% C

C18 phase with special polymeric, crosslinked surface modification - USP L1
pore size 110 Å, particle sizes 1,8µm, 3µm and 5µm; 20%C
high steric selectivity
outstanding surface deactivation
suitable for LC/MS due low bleeding characteristics
pH stability 1 - 10
broad range of application: steroids, (o,p,m-) substituted aromatics, fat-soluble vitamins
particle size 5µm, 20% C

stabel in 100 % aqueous eluent systems- USP L1
pore size 110 Å, particle sizes 1,8µm, 3µm and 5µm; 14 % C
7 and 10µm particles for preparative separations on request
interesting polar selectivity features
excellent base deactivation; suitable for LC/MS due low bleeding characteristics
pH stability 1 - 9
Ideal for: analgesics, penicillin antibiotics, nucleic acid bases, water-soluble vitamins, complexing agetns, organic acids
particle size 5µm, 14% C

distinct selectivity based on bifunctional surface coverage - USP L1 and USP L11
pore size 110 Å, particle sizes 1,8µm, 3µm and 5µm; 14 %C
high density of covalently bonded silanes for tailing-free peaks widens the scope for method development
pH stability 1 - 10
suitable for LC/MS due low bleeding characteristics
high reproducibility and consistent quality due to tight QC procedures
range of application: quinolone antibiotics, sulfonamides, xanthines, substituted aromatics
particle size 5µm, 14% C

Grain size 5 µm, pore dia. 100 Å. Octadecyl phase, endcapped, 15 % C.

Polyethylene Glycol phase. GC column for analyses such as alcohol, free acids, fatty acid methyl esters, aromatics, solvents and essential oils. Suitable replacement for: Carbowax 20M, CP-Wax 52 CB, DB-WAX, Elite-WAX, HP-20M, HP-INNOWax RH-WAX, Rtx-Wax, Stabilwax, SUPELCOWAX 10, TG-WaxMS, VF-WAXms, ZB-WAX.

• Industry standard wax column
• Polar phase

5% Phenyl Polysilphenylene-siloxane. General purpose GC column for routine gas chromatographic analysis. Suitable replacement for: DB-5, DB-5ms, DB-5.625, XTI-5, Rtx-5ms, Ultra-2, HP-5, HP-5MS, HP5-TA, SPB-5, MDN-5S, CP-Sil8CB, Rxt-Sil 5MS, AT-5ms, VB-5, ZB-5, VF-5ms.

• Very low bleed
• Non-polar
• Extremely inert

sulphonated polystyrene / divinylbenzene resins in diffent ionic forms
and RP chromatography
separation mechanism includes ion exclusion, ion exchange, size exclusion, ligand exchange as well as NP and RP chromatography
H⁺ form: separation of sugars, sugar alcohols and organic acids - USP L17 - eluent in column 0.01 N H2SO4
Ca²⁺ form: separation of mono-, di- and oligosaccharides - USP L19
eluent in column water

sulphonated polystyrene / divinylbenzene resins in diffent ionic forms
and RP chromatography
separation mechanism includes ion exclusion, ion exchange, size exclusion, ligand exchange as well as NP and RP chromatography
H⁺ form: separation of sugars, sugar alcohols and organic acids - USP L17 - eluent in column 0.01 N H2SO4
Ca²⁺ form: separation of mono-, di- and oligosaccharides - USP L19
eluent in column water

C18 phase with special polymeric, crosslinked surface modification - USP L1
pore size 110 Å, particle sizes 1,8µm, 3µm and 5µm; 20%C
high steric selectivity
outstanding surface deactivation
suitable for LC/MS due low bleeding characteristics
pH stability 1 - 10
broad range of application: steroids, (o,p,m-) substituted aromatics, fat-soluble vitamins
particle size 1.8µm, 20% C

Available with medium density octadecyl (C18 - USP L1) and octyl (C8 - USP L7) modification pore size 110 Ä, particle sizes, 3µm and 5µm; 7µm, 10µm, 12µm, 16µm, 20µm, 30µm und 50µm 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 Ä, particle sizes, 3µm and 5µm; 7µm, 10µm, 12µm, 16µm, 20µm, 30µm und 50µm 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.

C18 phase with special polymeric, crosslinked surface modification - USP L1
pore size 110 Å, particle sizes 1,8µm, 3µm and 5µm; 20%C
high steric selectivity
outstanding surface deactivation
suitable for LC/MS due low bleeding characteristics
pH stability 1 - 10
broad range of application: steroids, (o,p,m-) substituted aromatics, fat-soluble vitamins
particle size 3µm, 20% C

C18 phase with special polymeric, crosslinked surface modification - USP L1
pore size 110 Å, particle sizes 1,8µm, 3µm and 5µm; 20%C
high steric selectivity
outstanding surface deactivation
suitable for LC/MS due low bleeding characteristics
pH stability 1 - 10
broad range of application: steroids, (o,p,m-) substituted aromatics, fat-soluble vitamins
particle size 5µm, 20% C

Available with medium density octadecyl (C18 - USP L1) and octyl (C8 - USP L7) modification pore size 110 Ä, particle sizes, 3µm and 5µm; 7µm, 10µm, 12µm, 16µm, 20µm, 30µm und 50µm 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 3µm.

Available with medium density octadecyl (C18 - USP L1) and octyl (C8 - USP L7) modification pore size 110 Ä, particle sizes, 3µm and 5µm; 7µm, 10µm, 12µm, 16µm, 20µm, 30µm und 50µm 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.

NUCLEODUR^® C18 - C 8 Gravity nonpolar high density phases

available as octadecyl (C18 -USP L!) and octyl (C8 - USP L7) modifications
Pore size 110 Å; particle sizes 1,8µm, 3µm and 5µm for C18, 1,8 and 5µm for C8
7, 10, 12 and 16µm particles for preparative separations on request
carbon content 18 %C for C18 , 11%C for C8
ideal for method development
allows HPLC at pH extremes (pH 1 - 11)
suitable for LC/MS due to low bleeding characteristics
recommended for overall sophisticated analytical separations
optimal for: pharmaceuticals, e.g. analgesics, antiinflammatory drugs, antidepressants; herbicides; phytopharmaceuticals; immunosppressants
particle size 3µm, 18% C.

stabel in 100 % aqueous eluent systems- USP L1
pore size 110 Å, particle sizes 1,8µm, 3µm and 5µm; 14 % C
7 and 10µm particles for preparative separations on request
interesting polar selectivity features
excellent base deactivation; suitable for LC/MS due low bleeding characteristics
pH stability 1 - 9
Ideal for: analgesics, penicillin antibiotics, nucleic acid bases, water-soluble vitamins, complexing agetns, organic acids
particle size 3µm, 14% C

stabel in 100 % aqueous eluent systems- USP L1
pore size 110 Å, particle sizes 1,8µm, 3µm and 5µm; 14 % C
7 and 10µm particles for preparative separations on request
interesting polar selectivity features
excellent base deactivation; suitable for LC/MS due low bleeding characteristics
pH stability 1 - 9
Ideal for: analgesics, penicillin antibiotics, nucleic acid bases, water-soluble vitamins, complexing agetns, organic acids
particle size 5µm, 14% C

NUCLEODUR^® C18 - C 8 Gravity nonpolar high density phases

available as octadecyl (C18 -USP L!) and octyl (C8 - USP L7) modifications
Pore size 110 Å; particle sizes 1,8µm, 3µm and 5µm for C18, 1,8 and 5µm for C8
7, 10, 12 and 16µm particles for preparative separations on request
carbon content 18 %C for C18 , 11%C for C8
ideal for method development
allows HPLC at pH extremes (pH 1 - 11)
suitable for LC/MS due to low bleeding characteristics
recommended for overall sophisticated analytical separations
optimal for: pharmaceuticals, e.g. analgesics, antiinflammatory drugs, antidepressants; herbicides; phytopharmaceuticals; immunosppressants
particle size 5µm, 11% C

NUCLEODUR^® C18 - C 8 Gravity nonpolar high density phases

available as octadecyl (C18 -USP L!) and octyl (C8 - USP L7) modifications
Pore size 110 Å; particle sizes 1,8µm, 3µm and 5µm for C18, 1,8 and 5µm for C8
7, 10, 12 and 16µm particles for preparative separations on request
carbon content 18 %C for C18 , 11%C for C8
ideal for method development
allows HPLC at pH extremes (pH 1 - 11)
suitable for LC/MS due to low bleeding characteristics
recommended for overall sophisticated analytical separations
optimal for: pharmaceuticals, e.g. analgesics, antiinflammatory drugs, antidepressants; herbicides; phytopharmaceuticals; immunosppressants
particle size 5µm, 18% C

distinct selectivity based on bifunctional surface coverage - USP L1 and USP L11
pore size 110 Å, particle sizes 1,8µm, 3µm and 5µm; 14 %C
high density of covalently bonded silanes for tailing-free peaks widens the scope for method development
pH stability 1 - 10
suitable for LC/MS due low bleeding characteristics
high reproducibility and consistent quality due to tight QC procedures
range of application: quinolone antibiotics, sulfonamides, xanthines, substituted aromatics
particle size 3µm, 14% C

distinct selectivity based on bifunctional surface coverage - USP L1 and USP L11
pore size 110 Å, particle sizes 1,8µm, 3µm and 5µm; 14 %C
high density of covalently bonded silanes for tailing-free peaks widens the scope for method development
pH stability 1 - 10
suitable for LC/MS due low bleeding characteristics
high reproducibility and consistent quality due to tight QC procedures
range of application: quinolone antibiotics, sulfonamides, xanthines, substituted aromatics
particle size 5µm, 14% C

pore size 110 Å, particle sizes 3µm and 5µm; 7%C - USP L10
multi-mode columns (RP and NP)
widens the scope in selectivity
differnet retention characteristics compared to C8 and C18
stable against hydrolysis at low pH values, working range pH 1-8
high reproducibility from lot to lot
ideal for: tricyclic antidepressants, steroids, organic acids
eluent in column acetonitrile, particle size 3µm.

pore size 110 Å, particle sizes 3µm and 5µm; 7%C - USP L10
multi-mode columns (RP and NP)
widens the scope in selectivity
differnet retention characteristics compared to C8 and C18
stable against hydrolysis at low pH values, working range pH 1-8
high reproducibility from lot to lot
ideal for: tricyclic antidepressants, steroids, organic acids
Eluent in column n-heptane, particle size 5µm.

pore size 110 Å, particle sizes 3µm and 5µm; 7%C - USP L10
multi-mode columns (RP and NP)
widens the scope in selectivity
differnet retention characteristics compared to C8 and C18
stable against hydrolysis at low pH values, working range pH 1-8
high reproducibility from lot to lot
ideal for: tricyclic antidepressants, steroids, organic acids
eluent in column acetonitrile, particle size 5µm

pore size 110 Å, particle sizes 3 and 5µm; 2,5%C; not endcapped - USP L8
multi-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 pesticides
reversed phase chromatography (RP) of polar compounds like sugars in aqueous-organic eluent systems
ion exchange chromatography of anions and organic acids using common buffers and organic modifiers
stable against hydrolysis at low pH, working range pH 2-8, 100% stable in water, suitable for LC-MS
Ideal for:
polar compounds under RP conditions (sugars, DNA bases), hydrocarbons under NP conditions
Eluent 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 5µm.

pore size 110 Å, particle sizes 3 and 5µm; 2,5%C; not endcapped - USP L8
multi-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 pesticides
reversed phase chromatography (RP) of polar compounds like sugars in aqueous-organic eluent systems
ion exchange chromatography of anions and organic acids using common buffers and organic modifiers
stable against hydrolysis at low pH, working range pH 2-8, 100% stable in water, suitable for LC-MS
Ideal for:
polar compounds under RP conditions (sugars, DNA bases), hydrocarbons under NP conditions
Eluent 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 5µm.

Base material NUCLEOSIL^® silica, particle size 5µm, pore size 110 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 280nm), with diode array or with fluorescence detection at different wavelegths for excitation and emission (acenaphthylene cannot be analysed with fluorescence detection).
Other HPLC columns on request.
Octadecyl phase PAH, particle size 5µm.
Guard columns for EC columns NUCLEOSIL^® 100-5 C₁₈ PAH, 5µm available on request.

NUCLEOCEL DELTA enantiomer separation based on cellulose derivatives

base material silica,
chiral selector Cellulosetris-(3,5-dimethylphenylcarbamate) - USP L40
similar phases: Chiralcel^® OD, Kromasil^®, CelluCoat™, Eurocel^® 01
standard particle size 10µm

S-Type for high resolution, allows use of shorter columns (150 mm) for faster separations, pressure stability up to ~ 150 bar (2000 psi)

NUCLEOCEL DELTA for normal phase applications:
eluent in column n-heptane - propanol-2 (90:10, v/v)
typical eluents are heptane - propanol mixtures

NUCLEOCEL DELTA-RP for reversed phase applications:
eluent in column acetonitrile - water (40:60), v/v)
designed for use either in polar organic mode or with eluents containing high concentrations of chaotropic salts such as perchlorate

recommended applications: pharmaceutically active compounds, chiral pollutants (e. g. herbicides, PCB), chiral compounds in food (dyes, preservatives), chiral catalysts and bioorganic compounds.
Eluent in column acetonitrile - water, particle size 5µm.

NUCLEOCEL DELTA enantiomer separation based on cellulose derivatives

base material silica,
chiral selector Cellulosetris-(3,5-dimethylphenylcarbamate) - USP L40
similar phases: Chiralcel^® OD, Kromasil^®, CelluCoat™, Eurocel^® 01
standard particle size 10µm

S-Type for high resolution, allows use of shorter columns (150 mm) for faster separations, pressure stability up to ~ 150 bar (2000 psi)

NUCLEOCEL DELTA for normal phase applications:
eluent in column n-heptane - propanol-2 (90:10, v/v)
typical eluents are heptane - propanol mixtures

NUCLEOCEL DELTA-RP for reversed phase applications:
eluent in column acetonitrile - water (40:60), v/v)
designed for use either in polar organic mode or with eluents containing high concentrations of chaotropic salts such as perchlorate

recommended applications: pharmaceutically active compounds, chiral pollutants (e. g. herbicides, PCB), chiral compounds in food (dyes, preservatives), chiral catalysts and bioorganic compounds.
eluent in column n-heptane - propanol-2, particle size 5µm

totally spherical high purity silica - USP L3 pore size 110 Å, pore volume 0,9ml/g, surface (BET) 340m²/g, density 0.47g/ml, pressure stability 800 bar, pH stability 2 - 8; available particle sizes 3µm and 5µm; larger particles (10, 12, 16, 20 , 30 and 50µm) for preparative applications are available as bulk materials.
Particle size 3µm.

pore size 110 Å, particle sizes 3 and 5µm; 2,5%C; not endcapped - USP L8
multi-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 pesticides
reversed phase chromatography (RP) of polar compounds like sugars in aqueous-organic eluent systems
ion exchange chromatography of anions and organic acids using common buffers and organic modifiers
stable against hydrolysis at low pH, working range pH 2-8, 100% stable in water, suitable for LC-MS
Ideal for:
polar compounds under RP conditions (sugars, DNA bases), hydrocarbons under NP conditions
Eluent 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 3µm.

totally spherical high purity silica - USP L3 pore size 110 Å, pore volume 0,9ml/g, surface (BET) 340m²/g, density 0.47g/ml, pressure stability 800 bar, pH stability 2 - 8; available particle sizes 3µm and 5µm; larger particles (10, 12, 16, 20 , 30 and 50µm) for preparative applications are available as bulk materials.
particle size 5µm.

NUCLEODUR^® C18 - C 8 Gravity nonpolar high density phases

available as octadecyl (C18 -USP L!) and octyl (C8 - USP L7) modifications
Pore size 110 Å; particle sizes 1,8µm, 3µm and 5µm for C18, 1,8 and 5µm for C8
7, 10, 12 and 16µm particles for preparative separations on request
carbon content 18 %C for C18 , 11%C for C8
ideal for method development
allows HPLC at pH extremes (pH 1 - 11)
suitable for LC/MS due to low bleeding characteristics
recommended for overall sophisticated analytical separations
optimal for: pharmaceuticals, e.g. analgesics, antiinflammatory drugs, antidepressants; herbicides; phytopharmaceuticals; immunosppressants
particle size 1.8µm, 18% C

stabel in 100 % aqueous eluent systems- USP L1
pore size 110 Å, particle sizes 1,8µm, 3µm and 5µm; 14 % C
7 and 10µm particles for preparative separations on request
interesting polar selectivity features
excellent base deactivation; suitable for LC/MS due low bleeding characteristics
pH stability 1 - 9
Ideal for: analgesics, penicillin antibiotics, nucleic acid bases, water-soluble vitamins, complexing agetns, organic acids
particle size 1.8µm, 14% C.

NUCLEODUR^® C18 - C 8 Gravity nonpolar high density phases

available as octadecyl (C18 -USP L!) and octyl (C8 - USP L7) modifications
Pore size 110 Å; particle sizes 1,8µm, 3µm and 5µm for C18, 1,8 and 5µm for C8
7, 10, 12 and 16µm particles for preparative separations on request
carbon content 18 %C for C18 , 11%C for C8
ideal for method development
allows HPLC at pH extremes (pH 1 - 11)
suitable for LC/MS due to low bleeding characteristics
recommended for overall sophisticated analytical separations
optimal for: pharmaceuticals, e.g. analgesics, antiinflammatory drugs, antidepressants; herbicides; phytopharmaceuticals; immunosppressants
particle size 1.8µm, 11% C

distinct selectivity based on bifunctional surface coverage - USP L1 and USP L11
pore size 110 Å, particle sizes 1,8µm, 3µm and 5µm; 14 %C
high density of covalently bonded silanes for tailing-free peaks widens the scope for method development
pH stability 1 - 10
suitable for LC/MS due low bleeding characteristics
high reproducibility and consistent quality due to tight QC procedures
range of application: quinolone antibiotics, sulfonamides, xanthines, substituted aromatics
particle size 1.8µm, 14% C

100% Dimethyl Polysiloxane. General purpose GC column for all routine analyses such as hydrocarbons, aromatics, pesticides, phenol, herbicides and amines. Suitable replacement for: DB-1, DB-Petro, HP-1, HP-1MS, Rtx-1, Ultra-1, SPB-1, SPB-1 Sulfur, Petrocol DH, CP-Sil 5CB, VB-1, ZB-1, VF-1ms.

• Low bleed
• Non-polar

sulphonated polystyrene / divinylbenzene resins in diffent ionic forms
and RP chromatography
separation mechanism includes ion exclusion, ion exchange, size exclusion, ligand exchange as well as NP and RP chromatography
H⁺ form: separation of sugars, sugar alcohols and organic acids - USP L17 - eluent in column 0.01 N H2SO4
Ca²⁺ form: separation of mono-, di- and oligosaccharides - USP L19
eluent in column water
Valco type columns for separation of sugars, sugar alcohols and organic acids - USP L17 eluent in column 0.01N H₂SO₄

Liners come individually packed complete with instrument appropriate o-rings and sealing rings.
Each pack is supplied with quality test results.
Further liners und pack sizes available on request.

sulphonated polystyrene / divinylbenzene resins in diffent ionic forms
and RP chromatography
separation mechanism includes ion exclusion, ion exchange, size exclusion, ligand exchange as well as NP and RP chromatography
H⁺ form: separation of sugars, sugar alcohols and organic acids - USP L17 - eluent in column 0.01 N H2SO4
Ca²⁺ form: separation of mono-, di- and oligosaccharides - USP L19
eluent in column water
Valco type columns for separation of mono-, di- and oliogosaccharides - USP L19 eluent in column water.

VarioPrep columns

column system for preparative HPLC manufactured from stainless steel with two adjustable end fittings, allows compensation of a dead volume, which could result at the column inlet after some time of operation, without need for opening the column, packed with NUCLEODUR^® and NUCLEOSIL^® spherical silica.
O-rings available on request.