N O | 类别 Items | 指标 Standard value | 实测值 Results |
1 | 外观 Appearance | 淡黄色粉末 Light yellow powder | 符合要求 Meets the requirement |
2 | PH 值 PH Value | 4. 0 ~ 5.5 | 4.3 |
3 | 水分 Moisture | ≤ 5% | 4.4 |
4 | 木质素含量 Lignosulphonate assay | ≥ 58% | 68.5 |
5 | 总还原物 Total reducing matter | ≤ 12% | 6.8 |
6 | 水不溶物 Water insoluble matter | ≤ 1.0% | 0.36 |