Item

Specification

Result

Assay (%)

98.0-100.9

99.13

Chloride (ppm)

0-8

0.1

Moisture(%)

0.20%max

0.11

Fluoride Content (ppm)

0-8

0.1

Iron Content (ppm)

0-8

0.30

Calcium Content (ppm)

0-8

0.1

pH (12% aqueous)

7.2-9.7

8

Loss on drying (5h,60°C, %)

0.0-0.2

0.01

Sodium (ppm)

4ppm max

0.30

Silica (ppm)

10ppm max

6

Copper (ppm)

1ppm max

＜1

Hydrazine (ppm)

0-1000

170

Sulfate (ppm)

20ppm max

7

Lead Content (ppm)

0-4

0.2

Methanol(NMR)(ppm)

0-10

1.7