Item 項目 | Specification 指標 |
Appearance(外觀) | colorless or white crystal(無色或白色晶體) |
Clarity and Color of Solution(溶液的澄清度和顏色) | pass test(通過測試) |
Assay(含量) | 99.5-101% |
Moisture(水分含量) | 1.0% max |
Barium(鋇含量) | pass test(通過測試) |
Calcium(鈣含量) | 200 ppm max |
Iron(鐵含量) | 50 ppm max |
Heavy metals(重金屬含量) | 5 ppm max |
Oxalate(草酸鹽含量) | 350 ppm max |
Chloride(氯化物含量) | 50 ppm max |
Sulphate(硫酸鹽含量) | 150 ppm max |
Readily Carbonsable Substances(易碳化物質) | not deep than standard |
Sulphated ash(硫酸鹽灰分) | 0.1% max |
Bacteria endotoxic(細菌內毒素) | 0.5 iu/mg max |