磷酸氢二钠十二水(>98%,BR)
分子式:Na2HPO4·12H2O,分子量:358.14
物理性状及指标:
外观:……………………白色粉末
溶解性:…………………溶于水,几乎不溶于乙醇
pH:………………………8.8~9.4 (5%)
纯度:……………………>98%
重金属:…………………<10ppm
铁:………………………<0.001%
钾:………………………<0.1%
用途及描述:科研试剂
储存条件: 18~25°C
TESTS |
SPECIFICATIONS |
Appearance |
White crystalline |
Solubility |
100mg/ml water,clear |
pH |
9.0~9.4 |
Sodium phosphate monobasic |
≤2.5% |
Loss on drying |
55%~64% |
Assay |
>98%(on dried basis) |