ITEMS

SPECIFICATION

RESULTS

Characteristics

Colorless or white crystal

Colorless or white crystal

Identification Test

Pass the test

Pass the test

Clarity&Colour Of Solution

20% water solution clarity

20% water solution clarity

Assay

≥99.50%

99.82%

Moisture

7.5~9.0%

8.57%

Sulphated Ash

≤0.1%

0.039%

Sulphate

≤150ppm

<150ppm

Oxalate

≤350ppm

<80ppm

Calcium

≤200ppm

<50ppm

Heavy Metals

≤10ppm

<5ppm

Iron

≤50ppm

<10ppm

Chloride

≤50ppm

<30ppm

Barium

Pass the test

Pass the test

Readily Carbonbnised Substance

Standard colour

Less than Standard colour