ITEM

SPEC

RESULT

CONTENT（Na₂HPO_4.12H₂O)

98%MIN.

99.5%

PH VALUE(10g/L)

4.1-4.7

4.5

INSOLUBLE MATTER IN WATER

0..2%MAX.

0.01%

HEAVY METALS,as Pb

0.001%MAX

<0.001%

ARSENIC, as As

0.0003%MAX

0.0002%

CHLORIDES, as Cl

0.05%MAX

0.015%

FLUORIDE as F

0.005%MAX

0.002%

Fe

0.05%MAX

0.001%

Dry Reduction

2.0%MAX

0.06%

APPEARANCE

WHITE POWDER

WHITE POWDER