|
Expiry Year: 2 Years |
||
|
Tests |
Specifications |
Results of analysis |
|
Identification |
||
|
Solubility in Water |
Freely Soluble |
Freely Soluble |
|
Solubility in Ethanol |
Slightly Soluble |
Slightly Soluble |
|
Ultraviolet Absorption |
227±2nm |
227±2nm |
|
Test for Potassium |
Positive |
Positive |
|
Precipitation test |
Yellow Precipitate |
Yellow Precipitate |
|
Purity |
||
|
Assay Content (%) |
99.0~101.0% |
99.48 |
|
Loss on Drying(105℃,3h) (%) |
≤1 |
0.06 |
|
Organic Impurities (μg/g) |
≤20 |
<20 |
|
Impurity A (%) |
≤0.125 |
<0.125 |
|
Impurity B (mg/kg) |
≤20 |
<20 |
|
Fluoride (mg/kg) |
≤3 |
0.3 |
|
Potassium (%) |
17.0-21 |
Conform |
|
Heavy Metals (mg/kg) |
≤5 |
<5 |
|
Arsenic (mg/kg) |
≤3 |
<3 |
|
Lead (mg/kg) |
≤1 |
None |
|
Selenium (mg/kg) |
≤10 |
None |
|
Sulfate (%) |
≤0.1 |
<0.1 |
|
PH (1 in 100 solution) |
5.5-7.5 |
6.78 |
|
Mercury (mg/kg) |
≤1 |
NOT DETECTED |
|
Microbiological Tests |
||
|
Total Plate Count (cfu/g) |
≤10 |
<10 |
|
Coliforms-MPN (MPN/g) |
≤1 |
None |
|
Yeast and Moulds (cfu/g) |
≤10 |
<10 |
|
E.Coli |
Negative |
None |
|
Salmonella |
Negative |
None |
|
Particle Size |
||
|
Sieve |
Percent |
|
|
30-100mesh |
≥95% |
|
|
Conclusion |
Confirm |
|
