Model No.︰C4H4KNO4S
Brand Name︰JK
Country of Origin︰China
Unit Price︰US $ 2 / kg
Minimum Order︰25 kg
White crystalline
Appearance |
White crystalline powder |
Assay |
99.0% ~ 101.0% |
Solubility in water |
Free soluble |
Solubility in alcohol |
Slightly soluble |
Ultraviolet absorption |
227±2nm |
Test for potassium |
Positive |
Precipitation test |
Yellow precipitate |
Potassium |
17.0 ~ 21.0% |
Loss on drying |
≤0.5% |
Organic impurities |
≤20mg/kg |
Fluoride |
≤3mg/kg |
Heavy metals |
≤5mg/kg |
Lead |
≤1mg/kg |
Arsenic |
≤3mg/kg |
Selenium |
≤10mg/kg |
PH |
5.5 ~ 7.5 |
Payment Terms︰ T/T, DP,LC