est

Specifications

Result

Characteristic

Colorless or white crystalline powder

Complies

Identification

Pass the test

Complies

Clarity and color of solution

Pass the test

Complies

Barium

Pass the test

Complies

Calcium

≤ 200 ppm

< 200ppm

Heavy metals

≤ 10 ppm

< 10 ppm

Iron

≤ 50 ppm

< 50 ppm

Chloride

≤ 50 ppm

< 50 ppm

Sulphates

≤ 150 ppm

< 150 ppm

Oxalate

≤ 350 ppm

< 350 ppm

Readily carbonisable substances

Pass the test

Complies

Sulphated ash

≤ 0.1%

0.04%

Arsenic

≤1 ppm

< 1 ppm

Lead

≤ 1 ppm

< 1 ppm

Mercury

≤ 1 ppm

< 1 ppm

Foreign matters

Pass the test

Complies

Aluminum

≤ 0.2 ppm

< 0.1 ppm

Water

7.5% ~ 9.0%

8.68%

Assay

99.5% ~ 101.0%

99.96%

CONCLUSION: THE GOOD CONFORM TO THE STANDARD OF BP98