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404 results for “nh2”

Ultisil HILIC-Amide, 5µm, 30×250mm, 120Å (1pcs/pk)
P/N: H02627-21108
$11,070.00 USD
$11,070.00 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...
Ultisil HILIC-Amide, 5µm, 21.2×250mm, 120Å (1pcs/pk)
P/N: H02627-21106
$4,820.00 USD
$4,820.00 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 PSA, 300mg/6mL, 30pcs/pk Welchrom PSA, 300mg/6mL, 30pcs/pk
P/N: 00508-11069
$70.00 USD
$70.00 USD
Welchrom PSA is an adsorbent similar to NH2. PSA contains two amino groups with pKa values of 10.1 and 10.9. It has a stronger ion exchange capability compared to NH2 solid phase extraction columns...
Ultisil HILIC-Amide, 10µm, 21.2×150mm, 120Å (1pcs/pk)
P/N: H02627-31105
$2,680.00 USD
$2,680.00 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 PSA, 500mg/6mL, 30pcs/pk Welchrom PSA, 500mg/6mL, 30pcs/pk
P/N: 00508-11006
$70.00 USD
$70.00 USD
Welchrom PSA is an adsorbent similar to NH2. PSA contains two amino groups with pKa values of 10.1 and 10.9. It has a stronger ion exchange capability compared to NH2 solid phase extraction columns...
Ultisil HILIC Amide, Cartridge: 5µm, 120Å, 2.1×10mm, 2pcs
P/N: H00808-24025
$66.00 USD
$66.00 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 HILIC-Amide, 5µm, 10×100mm, 120Å (1pcs/pk)
P/N: H02627-21100
$1,550.00 USD
$1,550.00 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 HILIC Amide, Cartridge: 3µm, 120Å, 2.1×10mm, 2pcs
P/N: H00808-23010
$100.00 USD
$100.00 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...
WelFlash HILIC Amide, Regular 20-40µm, 120g, 1pcs/pk
P/N: 00015-03067
$452.00 USD
$452.00 USD
WelFlash columns include a wide variety of amorphous silica, spherical silica, and inorganic sorbent packing materials, offering a diverse range of sample selectivity. The packing materials consist...
WelFlash HILIC Amide, Regular 20-40µm, 80g, 1pcs/pk
P/N: 00015-03057
$272.00 USD
$272.00 USD
WelFlash columns include a wide variety of amorphous silica, spherical silica, and inorganic sorbent packing materials, offering a diverse range of sample selectivity. The packing materials consist...