品 名: 硬脂酸钠(c18h35nao2) 规 格: 分析纯
product: stearic acid sodium salt specification : a r
标准依据: qb-gz-zw0109 批 号: 20120512
standard: qb-gz-zw0109 batch no: 20120512
检 验 项 目 t e s t i t e m |
检 验 标 准 t e s t s t a n d a r d |
检 验 结 果 t e s t r e s u l t |
性状 (characters) |
白色粉末 (white powder) |
合格(conform) |
含量 (assay) |
98% |
99.1% |
溶解性实验(冷水/热水) (solubility experiment) |
应符合规定(微溶于冷水/易溶于热水) (comply with the standard) |
合格 (conform) |
干燥失重 (loss on drying) |
≤3% |
1% |
乙醇不溶物 (ethanol insoluble matter) |
应符合规定 (comply with the standard) |
合格 (conform) |
酸度 (以h+计)/(mmol/100g) |
≤3.5 |
1.6 |
碘值 (gi2/100g) |
≤4.0 |
2.1 |
结论(conclusion):符合分析纯之规定(the above product complies with ar) |