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292 results for “NH2”

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Welchrom NH2, 40-63µm, 10g
P/N: 00509-11017
$40.00 USD
$40.00 USD
Welchrom series packing includes polymer-based packing materials, silica based packing materials, and inorganic sorbent. It can be used in SPE cartridge, QuEChERS method and Flash cartridges. The s...
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...
Topsil NH2, Cartridge: 3µm, 150Å, 2.1×10mm, 2pcs
P/N: 00808-23303
$96.00 USD
$96.00 USD
Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...
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...
Topsil NH2, 5µm, 4.0×300mm (1pcs/pk)
P/N: 00430-01035
$430.00 USD
$430.00 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, 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...