【硬脂酸 医药级】天津硬脂酸厂家
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 |
性状 (Characters) | 白色粉末(White powder) |
Mg含量 (Assay of Mg) | 4.0~5.0% |
硬脂酸与棕榈酸相对含量 (Relative amounts of stearic acid and palmitic acid) | ≥90.0% |
硬脂酸的含量 (Relative amounts of stearic acid) | ≥40.0% |
酸碱度 (Acidity or alkalinity) | 应符合规定 (Comply with the standard) |
干燥失重 (Loss on drying) | ≤5.0% |
氯化物 (Chlorides) | ≤0.1% |
酸盐 (Sulphates) | ≤0.6% |
铁 (Iron) | ≤0.01% |
镉 (Cadmium) | ≤0.0003% |
镍 (Nickel) | ≤0.0005% |
重金属 (Heavy metals) | ≤0.0015% |
微生物限度(Limit of microbial) | 应符合规定 (Comply with the standard) |