ITEM 

result

Best quality 

First quality

Qualified quality 

result

Content of sodium nitrate

(calculated by dry base) %

≥99.5

≥99.3

≥98.5

99.4

Content of sodium nitrite

(calculated by dry base) %

≤0.01

≤0.02

≤0.15

0.018

 Content of chloride(NaCl)

(calculated by dry base) %

≤0.15

≤0.25

-

0.126

Content of insolubles in water(calculated by dry base) %

≤0.03

≤0.05

0.018

 Content of carbonate 

 (calculated by dry base) %

 Moisture    %

≤1.0

≤1.5

≤2.0

0.126

 Content of iron (Fe)  %

≤0.005

-

-

0.001

Apperance of product

White fine crystal with slightly yellowish

Package and Trade mark

By woven plastic bag outer , and white plastic bag inner

Result

FIRST QUALITY 

Remark