Name of index

TEST BASE

TEST RESULT

Appearance

Colorless or white crystal

Colorless or white crystal

Content(Na₃C₆H₅O₇.2H₂O), ≤%

99.0-101.0

99.3

Acidity and Alkalinity

Accord with test

Accord with test

Sulphates,≤%

0.015

<0.015

Heavy metals(As Pb),≤%

0.001

<0.001

Oxalate,≤%

0.03

<0.03

Easy carbonofy substance

Accord with test

Accord with test

Chloride,%

0.005

<0.005

Loss on drying,%

11.0-13.0

12.0

CONCLUSION

IN COMPLIANCE WITH THE STANDARD OF BP98