
Chromatographic columns, PTFE- / or Valve Stopcock, borosilicate glass 3.3
Chromatography columns with socket and with frit. Manufactured from borosilicate glass 3.3 which is resistant to heat and almost all chemicals. NS necks are in compliance with DIN 12242 standards.

Chromatographic columns, valve stopcock, DURAN® tubing
Made of DURAN® tubing. Chromatography columns with sintered frit (porosity 0), NS socket and needle-valve stopcock (bore 0 - 2.5 mm).

Chromatographic columns, with beaded rim and PTFE stopcock, DURAN® tubing
Made of DURAN® tubing. Chromatography columns with sintered frit, porosity 0.

Chromatographic columns, with beaded rim, DURAN® tubing
Made of DURAN® tubing. With PTFE stopcock and retaining device. With indentations above the stopcock for placing a cotton plug.

Collectors for tube connector for SafetyWasteCaps
Collectors for additional parts to add more tubings and capillaries. Delivered with fittings.Further configurations available on request.

Coupling pieces, PP
Coupling pieces for combination or complements capillary couplings.

Disc sensor set, signal lamp, empty state
The sensor detects liquids through glass or plastic, without contact with the contents of the container.Visual signal at empty stateMagnetic holder for individual attachmentScope of supply: Signal lamp, disc sensor, 3 m signal cable, 2 m hook and loop fastener, power supply

Disc sensor set, signal lamp, full state
The sensor detects liquids through glass or plastic, without contact with the contents of the container.Visual signal (flashing) when the level is reachedMagnetic holder for individual attachmentScope of supply: Signal lamp, disc sensor, 3 m signal cable, 2 m hook and loop fastener, power supply

Disc sensor set, T5, empty state
Scope of supply: Signal box T5, 5 x disc sensor, alarm at empty state, 5 x 3 m signal cable, 5 x 2 m hook and loop fastener, power supply

Distributor for capillaries, PTFE
Distributor with 3 x PFA fittings for connecting capillaries (O.D. 3.2 mm).

Distributor for capillaries, PTFE
Distributor with 3 x PFA fittings for connecting capillaries (O.D. 3.2 mm).
EC analytical columns NUCLEOCEL DELTA S, 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 for normal phase applications:Eluent in column n-heptane - propanol-2 (90:10, v/v), particle size 5 µm.
EC analytical columns NUCLEOCEL DELTA-RP S, 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.
EC analytical columns NUCLEODUR® 100-3
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 3 µm.

EC analytical columns NUCLEODUR® 100-3 C18 ec, 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.Octadecyl phases, 17.5 % C, particle size 3 µm.
EC analytical columns NUCLEODUR® 100-3 C8 ec, 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.
EC analytical columns NUCLEODUR® 100-3 CN-RP, 3 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.
EC analytical columns NUCLEODUR® 100-3 NH2-RP, 3 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 3 µm.
EC analytical columns NUCLEODUR® 100-5
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.

EC analytical columns NUCLEODUR® 100-5 C18 ec, 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 5 µm.

EC analytical columns NUCLEODUR® 100-5 C8 ec, 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.Octyl phases, 10.5 % C, particle size 5 µm.
EC analytical columns NUCLEODUR® 100-5 CN, 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 n-heptane, particle size 5 µm.
EC analytical columns NUCLEODUR® 100-5 CN-RP, 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
EC analytical columns NUCLEODUR® 100-5 NH2, 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.