Appearance   and Properties

colorless,   transparent or white microstrip yellow diamond crystal, taste,

slightly   bitter flavor, easy deliquescence.

Relative   Density

2.26

Melting point

306.8°C

Concentration

Industrial   grade level ≥ 99.2%

Solubility

soluble in   water, liquid ammonia, slightly soluble in ethanol, glycerol

Usage

a flux,   oxidizing agents,bleaching agents, defoamers, clarifying agents and

oxidative   flux,hair color agent,aluminum alloy heat treatment agent, the industrial   metal cleaning agent and preparation of

ferrous   metals blue agent,agriculture as fertilizer.

Pack

25kg woven   bag

Delivery

within 10-15  days after the receipt of the deposit

ITEM

result

Best quality

First quality

Qualified   quality

result

Content of   sodium nitrite

(calculated   by dry base) %

≥99

≥98.5

≥98

98.7

Content of   sodium nitrate

(calculated   by dry base) %

≤0.8

≤1.0

≤1.9

0.9

Content of   chloride(NaCl)

(calculated   by dry base) %

≤0.10

≤0.17

—

0.06

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

≤0.05

≤0.06

≤0.10

0.017

Content of   carbonate

(calculated   by dry base) %

Moisture %

≤1.4

≤2.0

≤2.5

1.1

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