NO.

Items

Quality standard

Result

1

Form

White crystal powder

ELIGIBILITY

2

Identification

Conformed to the standard

ELIGIBILITY

3

Acidity

Conformed

ELIGIBILITY

4

Melting point

166-170

166.8

5

Solution clarification

Conformed

ELIGIBILITY

6

Chloride(%)

≤     0.003

<0.003

7

Sulphate(%)

≤     0.01

<0.01

8

Oxalate(%)

≤     0.02

<0.02

9

Reduce on Dryness(%)

≤     0.5

0.2

10

Residue on Ignition(%)

≤     0.1

0.03

11

Heavy metals(mg/kg)

≤     10

<10

12

Arsenic(mg/kg)

≤     2.0

<2.0

13

Content(%)

98.0-102.0

100.28