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294 results for “NH2”

Ultisil XB-NH2, Semi-Prep Cartridge: 5µm, 120Å, 10×10mm (1pcs/pk) Ultisil XB-NH2, Semi-Prep Cartridge: 5µm, 120Å, 10×10mm (1pcs/pk)
P/N: H00808-04404
$169.00 USD
$169.00 USD
Welch preparative guard column cartridges use the same packing as the preparative column, which can intercept some of the same polar substances in the sample and prevent them from contaminating and...
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...
Welchrom Carb/NH2, 500mg/300mg/6mL, 30pcs/pk Welchrom Carb/NH2, 500mg/300mg/6mL, 30pcs/pk
P/N: 00527-20155
$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, 5µm, 10×150mm, 120Å (1pcs/pk)
P/N: H02630-21101
$1,470.00 USD
$1,470.00 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, 10µm, 30×150mm, 120Å (1pcs/pk)
P/N: H02630-31107
$4,250.00 USD
$4,250.00 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, 21.2×250mm, 120Å (1pcs/pk)
P/N: H02630-21106
$4,130.00 USD
$4,130.00 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, 10µm, 21.2×150mm, 120Å (1pcs/pk)
P/N: H02630-31105
$2,300.00 USD
$2,300.00 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, 10µm, 10×300mm, 120Å (1pcs/pk)
P/N: H02630-31103
$1,560.00 USD
$1,560.00 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, 21.2×150mm, 120Å (1pcs/pk)
P/N: H02630-21105
$2,870.00 USD
$2,870.00 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, 250mg/250mg/6mL, 30pcs/pk Welchrom Carb/NH2, 250mg/250mg/6mL, 30pcs/pk
P/N: 00527-20010
$120.00 USD
$120.00 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...