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292 results for “nh2”

WelFlash NH2, Regular 20-40µm, 12g, 1pcs/pk
P/N: 00005-03027
$46.00 USD
$46.00 USD
In the process of preparative chromatographic separation, columns with highly efficient separation characteristics and stable performance play a crucial role in establishing reliable separation and...
Welchrom Carb/NH2, 500mg/500mg/12mL, 20pcs/pk Welchrom Carb/NH2, 500mg/500mg/12mL, 20pcs/pk
P/N: 00527-20157
$130.00 USD
$130.00 USD
Welchrom GraphiCarb/NH2 is a column mixed the same amount of graphitecarbon black and ammonia propylene-based silicone. In the analysis of pesticide residues, it has a special effect for separation...
WelFlash NH2, Regular 20-40µm, 4g, 1pcs/pk
P/N: 00005-03017
$16.00 USD
$16.00 USD
In the process of preparative chromatographic separation, columns with highly efficient separation characteristics and stable performance play a crucial role in establishing reliable separation and...
Topsil NH2, 5µm, 4.6×100mm (1pcs/pk)
P/N: 00430-01039
$400.00 USD
$400.00 USD
Topsil NH2 offers distinct selectivity compared to other amino columns from Welch Materials. It is suitable for monosaccharide separation under reversed-phase conditions and polar compound separati...
Welchrom Carb/NH2, 200mg/200mg/3mL, 50pcs/pk Welchrom Carb/NH2, 200mg/200mg/3mL, 50pcs/pk
P/N: 00527-20132
$150.00 USD
$150.00 USD
Welchrom GraphiCarb/NH2 is a column mixed the same amount of graphitecarbon black and ammonia propylene-based silicone. In the analysis of pesticide residues, it has a special effect for separation...
Topsil NH2, 3µm, 4.6×150mm (1pcs/pk)
P/N: 00430-02041
$450.00 USD
$450.00 USD
Topsil NH2 offers distinct selectivity compared to other amino columns from Welch Materials. It is suitable for monosaccharide separation under reversed-phase conditions and polar compound separati...
Welchrom Carb/NH2, 250mg/250mg/3mL, 50pcs/pk Welchrom Carb/NH2, 250mg/250mg/3mL, 50pcs/pk
P/N: 00527-20147
$180.00 USD
$180.00 USD
Welchrom GraphiCarb/NH2 is a column mixed the same amount of graphitecarbon black and ammonia propylene-based silicone. In the analysis of pesticide residues, it has a special effect for separation...
Ultisil XB-NH2, 10µm, 10×100mm, 120Å (1pcs/pk)
P/N: H02630-31100
$1,070.00 USD
$1,070.00 USD
Welch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless mod...
Welchrom Carb/NH2, 1g/1g/12mL, 20pcs/pk Welchrom Carb/NH2, 1g/1g/12mL, 20pcs/pk
P/N: 00527-20008
$250.00 USD
$250.00 USD
Welchrom GraphiCarb/NH2 is a column mixed the same amount of graphitecarbon black and ammonia propylene-based silicone. In the analysis of pesticide residues, it has a special effect for separation...
Topsil NH2, 5µm, 4.6×250mm (1pcs/pk)
P/N: 00430-01043
$420.00 USD
$420.00 USD
Topsil NH2 offers distinct selectivity compared to other amino columns from Welch Materials. It is suitable for monosaccharide separation under reversed-phase conditions and polar compound separati...