Items standard Results Physical Appearance White crystalline powder White crystalline powder Purity (NaHCO3) w/% 99-100.5% 99.51% Loss On drying w/% â?¤0.20% 0.12% PH (10g/L solution) â?¤8.5 8.25 Ammonium Salt Content Pass Pass Clarity Pass Pass Chloride (Cl) w/% â?¤0.40% 0.15% Whiteness â?¥85 93 Arsenic (As) w/% â?¤0.0001%