质量标准: Quality standard
项目 Items |
指标 specification | ||
优级品 Top |
一级品 First |
合格品 Qualified | |
含量( % ) Content |
≥ 95.0 |
≥ 95.0 |
≥ 95.0 |
还原糖( % ) Reducing sugars |
≤ 0.2 |
≤ 0.4 |
≤ 0.6 |
氯化物( % ) Chloride |
≤ 20 |
≤ 40 |
≤ 60 |
PH |
5 ~ 7 |
4 ~ 7 |
3. 5 ~ 7 |
镍 (ppm)Nickel |
≤ 2 |
≤ 5 |
≤ 5 |
铁 (ppm)Fe |
≤ 1 0 |
≤ 15 |
≤ 20 |
砷( % ) AS |
≤ 1.3 |
≤ 2 |
≤ 2 |
重金属( % ) Heavy metal |
≤ 5 |
≤ 10 |
≤ 10 |
比旋度( 0 ) Specific optical rotation |
4 ~ 7 |
4 ~ 7 |
4 ~ 7 |
引用标准 Quotation |
行业标准 Administration standard | ||
外观 Appearance |
白色颗粒或粉末 White granular or powder | ||
主要用途 Usage |
添加剂、牙膏、化妆品、复合甘油等,还用于生产斯基、聚醚等原料。 Additives, tooth paste, cosmetics, glycerine, etc. | ||
包装规格 Packing |
2 5 ㎏复合编织袋 25 ㎏ P.Pwoven bags | ||
贮存 Storage |
保存在干燥、阴凉、通风处 Store in dry airtight container |