质量指标基本参数:
Item 项目 | Specifications 标准 |
Color & Odor色泽和气味 | White to off-white,No uncomfortable odor 白色或灰白色,无不良气味 |
Character性状 | Dry symmetrical powder,a few hygroscopic 干燥均匀的粉末,有一定的吸潮性 |
Impurity 杂质 | No megascopic impurity 无肉眼可见外来杂质 |
Solution 溶解性 | Solute in water after mixture 经搅拌可溶解于水中 |
Loss on drying 干燥失重(%)≤ | 8 |
PH Value(1%solution) PH值(1%水溶液) | 5~10 |