Item 项目 | Specification 指标 |
Appearance(外观) | colorless or white crystal(无色或白色晶体) |
Clarity and Color of Solution(溶液的澄清度和颜色) | pass test(通过测试) |
Assay(含量) | 99.5-101% |
Moisture(水分含量) | 1.0% max |
Barium(钡含量) | pass test(通过测试) |
Calcium(钙含量) | 200 ppm max |
Iron(铁含量) | 50 ppm max |
Heavy metals(重金属含量) | 5 ppm max |
Oxalate(草酸盐含量) | 350 ppm max |
Chloride(氯化物含量) | 50 ppm max |
Sulphate(硫酸盐含量) | 150 ppm max |
Readily Carbonsable Substances(易碳化物质) | not deep than standard |
Sulphated ash(硫酸盐灰分) | 0.1% max |
Bacteria endotoxic(细菌内毒素) | 0.5 iu/mg max |