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部件号 | 描述 |
CRM47672 | Carbonyl-DNPH Mix 1 certified reference material, in acetonitrile (varied conc.), ampule of 1 × 1?mL |
CRM47671 | Carbonyl-DNPH Mix 2 certified reference material, in acetonitrile (as aldehydes and ketones; varied conc.), ampule of 1?mL |