No

Items

Unit

Standard Specs.

Testing Results

1

Content

%

99.0 min

99.4

2

Loss on drying

%

2.0

1.5

3

The Acid & Alkalinity

-

≤0.2ml

≤0.2ml(on the principle of 0.1mol/l NaOH) 

4

Colour of Solution

Y6

Y6

5

Chlorides

%

≤0.02

≤0.02

6

Total Chlorine

%

≤0.03

≤0.03

7

Heavy Metal

(as Pb)

%

≤0.001

≤0.001

8

Arsenic

%

≤0.0003

≤0.0003

9

Mercury

%

≤0.0001

≤0.0001

10

Oxide

-

Meets the requirement

Meets the requirement

11

Conclusion

The quality of the above mentioned goods is in conformity with the standard of BP98