Item index grade

High-class product

First-class product

Appearance

White crystalline

White crystalline

Sodium formate content (by butt), %, ≤

97

95

Content of moisture and volatilization, %, ≤

2.0

3.0

Organic content (by butt), %, ≤

2.5

4.0

Chloride (by butt), %, ≤

0.5

1.0

Content of Fe (by butt), %, ≤

0.05

0.05