最新产品
产品描述
APPEARANCE WHITE CRYSTALLINE POWDER
ASSAY 99.0-101.0%
ODOR ABSENT
WATER SOLUBILILTY FREELY SOLUBLE
ULTRAVIOLET ABSORPTION 227±2NM
SOLUBILITY IN ETHANOL SLIGHTLY SOLUBLE
LOSS ON DRYING 1.0 % MAX
SULFATE 0.1% MAX
POTASSIUM 17.0-21 %
IMPURITY 20 PPM MAX
HEAVY METAL( PB) 1.0 PPM MAX
FLUORID 3.0 PPM MAX
SELENIUM 10.0 PPM MAX
LEAD 1.0 PPM MAX
PH VALUE 6.5-7.5