Analytically pure sodium bicarbonate

? LANGFANG PENGCAI FINECHEMICAL CO, LTD Langfang Peng Cai Fine Chemical Co., Ltd. Test Report of Product inspection report Name: sodium bicarbonate (NaHCO3) Specifications: AR standard basis: GB / T 640-1997 Product: Sodium bicarbonate Specification: AR Standard : GB / T 640-1997 Lot: 20111222 Production Date: December 22, 2011 period: December 21, 2013 Batch No: 20111222 Produce Date :? Oec.22.2011 Expire Date :? Dec.21.2013 test items T?? I tem test T est S tandard test results est T estresult Characters (Characters) as a white powder (White powder) qualified (Conform) content (Assay) 99.5% 99.8% PH (Ph) 8.6 qualified (Conform) Clarity experiments (Appearance of solution) shall comply with (Comply with the standard) qualified (Conform) Water-insoluble (water-insoluble) 0.01% 0.003% chloride (Chloride) 0.002% 0.0007% sulfate (Sulphates) 0.005% 0.003% total nitrogen (Total nitrogen) 0.001% 0.0008% phosphate and silicate (Phosphate and silicate) 0.005% 0.001% Mg (Magnesium)? 0.003% 0.0012% K (Potassium) 0.01% 0.006% Ca (Calcium) 0.007% 0.003% Fe (Iron) 0.001% to 0.0003% Heavy Metal (Heavy metal) 0.001% 0.0008% conclusion (Conclusion): comply with the provisions of AR (???? The above product complies with AR?) Leader (Principal): Zhao Ling inspector (Inspectors): Liu Fang