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292 results for “nh2”

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Welchrom NH2, 40-63µm, 10g
P/N: 00509-11017
$40.00 USD
$40.00 USD
Welchrom series packing includes polymer-based packing materials, silica based packing materials, and inorganic sorbent. It can be used in SPE cartridge, QuEChERS method and Flash cartridges. The s...
Welchrom Carb/NH2, 300mg/600mg/6mL, 30pcs/pk Welchrom Carb/NH2, 300mg/600mg/6mL, 30pcs/pk
P/N: 00527-20154
$150.00 USD
$150.00 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: 3µm, 150Å, 4.6×10mm, 2pcs
P/N: 00808-03303
$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...
Welchrom Carb/NH2, 300mg/300mg/6mL, 30pcs/pk Welchrom Carb/NH2, 300mg/300mg/6mL, 30pcs/pk
P/N: 00527-20152
$130.00 USD
$130.00 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...
Welchrom Carb/NH2, 300mg/500mg/6mL, 30pcs/pk Welchrom Carb/NH2, 300mg/500mg/6mL, 30pcs/pk
P/N: 00527-20072
$140.00 USD
$140.00 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...
Welchrom Carb/NH2, 200mg/200mg/6mL, 30pcs/pk Welchrom Carb/NH2, 200mg/200mg/6mL, 30pcs/pk
P/N: 00527-20151
$100.00 USD
$100.00 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...
Welchrom Carb/NH2, 500mg/500mg/6mL, 30pcs/pk Welchrom Carb/NH2, 500mg/500mg/6mL, 30pcs/pk
P/N: 00527-20011
$190.00 USD
$190.00 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...
Welchrom Carb/NH2, 250mg/500mg/3mL, 50pcs/pk Welchrom Carb/NH2, 250mg/500mg/3mL, 50pcs/pk
P/N: 00527-20148
$190.00 USD
$190.00 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...
Welchrom Carb/NH2, 500mg/1g/6mL, 30pcs/pk Welchrom Carb/NH2, 500mg/1g/6mL, 30pcs/pk
P/N: 00527-20091
$220.00 USD
$220.00 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, 3µm, 4.6×250mm (1pcs/pk)
P/N: 00430-02043
$470.00 USD
$470.00 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...