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292 results for “nh2”

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...
Ultisil XB-NH2, 5µm, 10×100mm, 120Å (1pcs/pk)
P/N: H02630-21100
$1,330.00 USD
$1,330.00 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, 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...
Topsil NH2, 5µm, 4.6×150mm (1pcs/pk)
P/N: 00430-01041
$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, 1g/500mg/6mL, 30pcs/pk Welchrom Carb/NH2, 1g/500mg/6mL, 30pcs/pk
P/N: 00527-20146
$320.00 USD
$320.00 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, Cartridge: 5µm, 150Å, 2.1×10mm, 2pcs
P/N: 00808-24303
$56.00 USD
$56.00 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, 21.2×50mm, 120Å (1pcs/pk)
P/N: H02630-31104
$1,590.00 USD
$1,590.00 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...
Ultisil XB-NH2, 5µm, 30×150mm, 120Å (1pcs/pk)
P/N: H02630-21107
$6,070.00 USD
$6,070.00 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...
Xtimate Lactose-NH2, 5µm, 4.6×300mm (1pcs/pk)
P/N: 00121-21044
$700.00 USD
$700.00 USD
Xtimate Lactose-NH2 column uses a special bonding process to make the retention of lactose on the stationary phase more stable, resulting in an extremely low RSD value for the lactose peak area. It...
Ultisil XB-NH2, 5µm, 21.2×50mm, 120Å (1pcs/pk)
P/N: H02630-21104
$1,990.00 USD
$1,990.00 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...