Product Description

ITEM STANDARD

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 %

SULFATE ≤ 0.1%

POTASSIUM 17.0-21 %

IMPURITY ≤ 20 PPM

HEAVY METAL( PB) ≤ 1.0 PPM

FLUORID ≤ 3.0 PPM

SELENIUM ≤ 10.0 PPM

LEAD ≤ 1.0 PPM

PH VALUE 6.5-7.5

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