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330 results for “NH2”

Ultisil HILIC Amide, Semi-Prep Cartridge: 10µm, 120Å, 10×10mm (1pcs/pk) Ultisil HILIC Amide, Semi-Prep Cartridge: 10µm, 120Å, 10×10mm (1pcs/pk)
P/N: H00808-25425
$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...
Welchrom PSA, 200mg/6mL, 30pcs/pk, glass Welchrom PSA, 200mg/6mL, 30pcs/pk, glass
P/N: 09508-11014
$90.00 USD
$90.00 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, Prep Cartridge: 5µm, 120Å, 21.2×10mm (1pcs/pk) Ultisil HILIC Amide, Prep Cartridge: 5µm, 120Å, 21.2×10mm (1pcs/pk)
P/N: H00808-04810
$352.00 USD
$352.00 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 HILIC-Amide, 5µm, 10×250mm, 120Å (1pcs/pk)
P/N: H02627-21102
$2,070.00 USD
$2,070.00 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, 10×300mm, 120Å (1pcs/pk)
P/N: H02627-21103
$2,280.00 USD
$2,280.00 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, 10µm, 50×250mm, 120Å (1pcs/pk)
P/N: H02627-31210
$16,270.00 USD
$16,270.00 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, 10µm, 4.6×250mm (1pcs/pk)
P/N: H00240-41043
$690.00 USD
$690.00 USD
Ultisil HILIC Amide is an amide-based hydrophilic interaction liquid chromatography (HILIC) column built on ultra-pure silica. It is one of the most commonly used HILIC columns, offering separation...
Ultisil HILIC-Amide, 10µm, 21.2×250mm, 120Å (1pcs/pk)
P/N: H02627-31106
$3,860.00 USD
$3,860.00 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, 10µm, 50×150mm, 120Å (1pcs/pk)
P/N: H02627-31209
$10,410.00 USD
$10,410.00 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, 2.1×100mm (1pcs/pk)
P/N: H00240-31012
$730.00 USD
$730.00 USD
Ultisil HILIC Amide is an amide-based hydrophilic interaction liquid chromatography (HILIC) column built on ultra-pure silica. It is one of the most commonly used HILIC columns, offering separation...