Quality Index
Item
high-Class
First-Class Qualified-Class
Purity *9.0%
min *8.5%
min *8.0% min
Moisture : 1.4%
max 2.0%
max 2.5% max
Chlorides(AsNaCL)0.*0% max 0.*5%
max ***-
Sodium nitrate 0.8% max
1.0% max 1.5%
max
Water insolubles 0.*5% max 0.*6%
max 0.*0%max
