Search results: 307 results for “nh2”

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P/N: H00808-04037
Regular price $68.00 USD
Sale price $68.00 USD
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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...
P/N: H00808-14804
Regular price $352.00 USD
Sale price $352.00 USD
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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...
P/N: H00808-04004
Regular price $68.00 USD
Sale price $68.00 USD
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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...
P/N: 00431-01041
Regular price $480.00 USD
Sale price $480.00 USD
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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...
P/N: H00808-03004
Regular price $110.00 USD
Sale price $110.00 USD
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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...
P/N: H00808-05004
Regular price $64.00 USD
Sale price $64.00 USD
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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...
P/N: 00604-21041
Regular price $800.00 USD
Sale price $800.00 USD
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Blossmate Polar-Propylamide column provides separation forces akin to a HILIC-NH2 phase but with distinct selectivity. It exhibits low bleed in ELSD and MS detection and offers a longer operational...
P/N: 00604-21043
Regular price $840.00 USD
Sale price $840.00 USD
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Blossmate Polar-Propylamide column provides separation forces akin to a HILIC-NH2 phase but with distinct selectivity. It exhibits low bleed in ELSD and MS detection and offers a longer operational...
P/N: 00508-11008
Regular price $130.00 USD
Sale price $130.00 USD
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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...
P/N: 00508-11003
Regular price $70.00 USD
Sale price $70.00 USD
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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...