Product Description

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