Items

Standard

Result

Appearance

white powder

Acidity of Alkalininty

Complying with the test

Complies

Clarity of Color Solution

Complying with the test

Complies

Heavy Metals

≤10ppm

<10ppm

Chloride

≤100ppm

<50ppm

Assay(on dried basis)

99%~101%

99.9%

Oxalate

≤350ppm

<300ppm

Readity Carbonisable Substances

Complying with the test

Complies

Sulphate

≤0.03%

0.023%

Water

≤1%

0.86%

As

≤3%

<1%

Conclusion

Complies with BP/USP