氯化钾指标:CP&BP&USP
ITEM |
Limit |
Result |
外观Characteristics |
A white crystalline powder |
Conform |
含量Assay, w/% |
99.0-100.5 |
99.58 |
鉴别Identification |
Positive |
Positive |
溶液外观Appearance of Solution |
Conform |
Conform |
酸碱度Acidity/alkalinity |
Conform |
Conform |
溴化物Bromides, w/% ≤ |
0.1 |
<0.1 |
碘化物Iodides |
Conform |
Conform |
重金属Heavy metals(as Pb), w/% ≤ |
0.001 |
<0.001 |
硫酸盐Sulfate, w/% ≤ |
0.03 |
<0.03 |
铝盐Aluminium,w/% ≤ |
0.0001 |
<0.0001 |
钠盐Sodium,w/% ≤ |
Conform |
Conform |
干燥失重Loss on drying ≤ |
1.0 |
0.33 |
钙盐Calcium |
Conform |
Conform |
镁盐Magnesium w/% ≤ |
0.02 |
<0.02 |
钡盐Barium |
Conform |
Conform |
铁Iron,w/% ≤ |
0.002 |
<0.002 |
Decision |
In compliance with the standard of BP2009/USP32 |
八、氯化钾的用途:高纯氯化钾除应用于制造钾盐产品外,还可以用作食品和医药。食品级氯化钾主要用来生产低钠盐,以满足人体直接补钾;医药上可供内服,也可以配制注射水剂,起到补充或平衡人体缺钾的作用,也可以制造剂、防止缺钾症药物。