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HPLC columns
EC analytical columns NUCLEOSIL® 100-5 C18 PAH, 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)....
EC analytical columns NUCLEOCEL DELTA-RP S, 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...
EC analytical columns NUCLEOCEL DELTA S, 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...
EC analytical columns NUCLEODUR® 100-3
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....
EC analytical columns NUCLEODUR® 100-3 NH2-RP, 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) ...
EC analytical columns NUCLEODUR® 100-5
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....
EC analytical columns NUCLEODUR® C18 Gravity, 1.8µm
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...
EC analytical columns NUCLEODUR® C18 Pyramid, 1.8µm
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...
EC analytical columns NUCLEODUR® C8Gravity, 1.8µm
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...
EC analytical columns NUCLEODUR® Sphinx RP, 1.8µm
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...