1) Backed and added anticaking agent 2) white powder Sodium Nitrate is used in glass industry, azo dyestuff, pottery, metal hear treatment auxiliary agent, explosive, pharmaceutical industry Index Standard Test result Assay ≥99.7 ≥99.7 Moisture ≤0.2% ≤0.2% Matter Insoluables in water ≤0.03% ≤0.03% Chlorides ≤0.25% ≤0.23% Sodium Nitrite 0.01% ≤0.01% Sodium Carbonate ≤0.05% ≤0.04% Iron ≤0.005% ≤0.004%