| ≥1 piece |
|
Analysis contents
|
Analysis standard FCC IV
|
Analysis results
|
|
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
|
|
Assay Content %
|
99.0~101.0%
|
99.53
|
|
Loss on Drying(105 ℃,2h)%
|
≤1
|
0.19
|
|
Organic Impurities ug/g
|
≤20
|
<20
|
|
Fluoride mg/kg
|
≤3
|
<1
|
|
Potassium %
|
17.0~21
|
18.72
|
|
HeavyMetals mg/kg
|
≤5
|
<5
|
|
Lead mg/kg
|
≤1
|
<1
|
|
Selenium mg/kg
|
≤10
|
<1
|
|
Sulphate %
|
≤0.1
|
<0.03
|
|
PH(1 in 100 solution)
|
6.5~7.5
|
6.90
|
|
Arsenic mg/kg
|
≤3
|
<1
|
|
Mercury mg/kg
|
≤10
|
None
|
|
Total Plate Count cfu/g
|
≤200
|
<10
|
|
Coliforms-MPN MPN/g
|
≤10
|
None
|
|
Yeast and Moulds cfu/g
|
≤100
|
<10
|
|
E.Coli
|
Negative
|
None
|
|
Salmonella
|
Negative
|
None
|