Sodium Nitrate

SPECIFICATION

Chemical Structure

Sr Number	Parameter	Standard Grade Un coated	Technical Grade Uncoated grade	Std grade coated grade
1	Physical Appearance	White or slightly off white to light cream colour powder.	White or slightly off white to light cream colour powder.	White or slightly off white to light cream colour powder.
2	Purity on Dry basis	99.00 %w/w Min.	99.00 %w/w Min.	98.00 %w/w Min.
3	Loss on Drying	0.50%w/w Max.	0.50%w/w Max.	0.50%w/w Max.
4	Alkalinity as Na2CO3	0.05%w/w Max.	0.05%w/w Max.	0.05%w/w Max.
5	Chloride as Cl	0.10%w/w Max.	0.10%w/w Max.	0.10%w/w Max.
6	Sodium Nitrite	0.20%w/w Max.	0.03%w/w Max.	0.03%w/w Max.
7	Sulphate as SO4	0.05%w/w Max.	–	–
8	Iron As Fe	0.005%w/w Max.	0.005%w/w Max.	0.005%w/w Max.
9	Anticaking agent	–	–	0.5 to 1.0%w/w

Sodium Nitrate (NaNO3)