Online checkout is currently available in the U.S. Contact us to make a purchase if you live in other countries!

Only 1 left in stock! Get 10 mL Disposable HPLC Lab Syringe (100 pcs) now — before anyone else!

Visit WelchLab for a comprehensive collection of laboratory consumables, including glassware, plasticware, and more!

Brand Show all Brand
SPE Type Show all SPE Type
Phase Show all Phase
USP Classification Show all USP Classification
Partical Size Show all Partical Size
Column ID Show all Column ID
Column Length Show all Column Length
Pore Size Show all Pore Size
Surface Area Show all Surface Area
pH Range Show all pH Range
Barrel Size Show all Barrel Size
Sorbent Weight Show all Sorbent Weight

292 results for “nh2”

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...
Topsil NH2, Cartridge: 5µm, 150Å, 4.6×10mm, 2pcs
P/N: 00808-04303
$62.00 USD
$62.00 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, 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...
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...
Topsil HILIC NH2, 5µm, 4.6×250mm (1pcs/pk)
P/N: 00431-01043
$500.00 USD
$500.00 USD
Compared with Ultisil HILIC NH₂, Topsil HILIC NH₂ uses a different silica which yields lower column backpressure. It is a cost-effective HILIC column suited for the separation of monosaccharide sam...
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, 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, 10×150mm, 120Å (1pcs/pk)
P/N: H02630-31101
$1,180.00 USD
$1,180.00 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...
Ultisil XB-NH2, 5µm, 10×250mm, 120Å (1pcs/pk)
P/N: H02630-21102
$1,780.00 USD
$1,780.00 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...