北方伟业计量集团有限公司
| 序号 | 组分 | 标准值 | 不确定度 |
|---|---|---|---|
| 1 | Acetaldehyde-2,4-dinitrophenylhydrazone(DNPH) | 100 | |
| 2 | Acetone-2,4-dinitrophenylhydrazone | 100 | |
| 3 | Acrolein-2,4-dinitrophenylhydrazone(DNPH) | 100 | |
| 4 | Benzaldehyd-2,4-dinitrophenylhydrazone | 100 | |
| 5 | Butyraldehyde-2,4-dinitrophenylhydrazone | 100 | |
| 6 | Crotonaldehyde-2,4-dinitrophenylhydrazone(DNPH) | 100 | |
| 7 | 2,5-Dimethylbenzaldehyde-2,4-dinitrophenylhydrazone(DNPH) | 100 | |
| 8 | Formaldehyde-2,4-dinitrophenylhydrazone(DNPH) | 100 | |
| 9 | Hexanal-2,4-dinitrophenylhydrazone(DNPH) | 100 | |
| 10 | Isovaleraldehyd-2,4-dinitrophenylhydrazone | 100 | |
| 11 | Pentanal-2,4-dinitrophenylhydrazone | 100 | |
| 12 | Propionaldehyde-2,4-dinitrophenylhydrazone | 100 | |
| 13 | m-Tolualdehyd-2,4-dinitrophenylhydrazone | 100 | |
| 14 | o-Tolualdehyd-2,4-dinitrophenylhydrazone | 100 | |
| 15 | p-Tolualdehyd-2,4-dinitrophenylhydrazone | 100 |
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