NH2 is a kind of sorbent bonded with Aminopropyl, which can be used as polar sorbent, as well as weak anion exchanger. When activated by non-polar solvents like n-hexane, it can be hydrogen bonded with molecules of any groups of –OH,-NH or –SH;Its pKa is 9.8. When pH＜7.8, it can be used as weak anion exchanger to deal with strong anion compound for example sulfate ion
About GraphiCarb/NH2 Cartridge
Mixed columns of equal amounts of Graphitized carbon and NH2 have special separation and extraction effects in pesticide residue analysis, such as the removal of pigments, fatty acids, and phenols, and the extraction of organic phosphorus in tea.
Ordering Information
| Part No. | Sorbent | Bed weight | Column volume | Package pcs/pk |
| RNSC100X1X-NH2 | NH2 | 100mg | 1mL | 50 |
| RNSC200X3X-NH2 | 200mg | 3mL | 50 | |
| RNSC500X3X-NH2 | 500mg | 3mL | 50 | |
| RNSC500X6X-NH2 | 500mg | 6mL | 30 | |
| RNSC5006-CBNH2 | 500mgCarb+500mgNH2 6ml | 30 | ||
| RNSC5006-GBNH2 | 500mgGCB+500mgNH2 6ml | 30 | ||
| RNSC10006X-NH2 | 1000mg | 6mL | 30 | |
| RNSC100012-NH2 | 1000mg | 12mL | 30 | |
| RNSC200012-NH2 | 2000mg | 12mL | 20 | |
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