Tests:

Specifications:

Results:

Characteristics

Colorless or white Crystalline powder

Complies

IDENTIFICATION

Conforming with test

Complies

Solubility

Conforming with test

Complies

Clarity and colour

of solution

Conforming with test

Complies

Barium

Conforming with test

Complies

Calcium

≤200PPM

<200PPM

Heavy metals

≤5PPM

<5PPM

Iron

≤50PPM

<50PPM

Chloride

≤50PPM

<50PPM

Oxalate

≤100ppm

<100ppm

Sulphate

≤150PPM

<150ppm

Readily carbonisable

substances

Not deeper than specifications

Complies

Acidity and Alkality

Conforming with test

Complies

Sulphated ash

≤0.05%

0.03%

loss on drying

11.0%~13.0%

12.3%

Assay

99.5%~101.0%

100.0%

BACTERIAL ENDOTOXINS

≤0.5 I.U./MG

0.24 I.U./MG

ARSENIC

≤1PPM

<1PPM

lead                        ≤1PPM                                      <1PPM

mercury                   ≤1PPM                                       <1PPM

ph(5% queous solution)    7.5 - 9.0                                       8.4

result: This product fulfills BP98