EC analytical columns NUCLEODUR C18 Gravity 18 µm

Carbon content:	18 %
Eluent in column:	Acetonitrile/water
Endcapped:	Yes
Int. Ø:	4.0 mm
Length:	30 mm
Manufacturer Article Number:	760078.40
Material column:	Stainless steel
Max. temperature resistance:	60 °C
Method:	Analytical
Particle size:	1,8 µm
Particle type:	Fully porous
Separation system:	Reverse phase
USP listing:	L1
Volume column:	0.38 ml
pH stability:	1 ... 11

EC analytical columns NUCLEOSIL® 100-5 C18 PAH, 5 µm

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.

From CHF 962.00*

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.

From CHF 439.40*

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.

From CHF 415.40*

EC analytical columns NUCLEODUR® 100-5 NH2-RP, 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.

From CHF 415.40*

VarioPrep preparative 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.

From CHF 1,206.40*

EC analytical columns NUCLEODUR® Sphinx RP, 5 µm

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

From CHF 604.80*

EC analytical columns NUCLEODUR® Sphinx RP, 3 µm

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

From CHF 750.90*

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.

From CHF 297.30*

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.

From CHF 465.50*

VarioPrep preparative 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.

From CHF 1,530.90*

EC analytical columns NUCLEODUR® C18 Gravity, 1.8 µm