TRADEMARK: HAI LIAN SAN YI CHEMICAL NAME: SODIUM BICARBONATE MOLECULAR FORMULA: NaHCO3 ANNUAL OUTPUT: 70000 TONS/YEAR MESH SIZE: 20~300 MESH THE QUALITY SPECIFICATION CARRIES OUT THE GB1887-1998 CHINESE NATIONAL STANDARDS INDEX: Total alkali content(by NaHCO3): 99.0-100.5% Heavy metal(by pb): ??.0005% Arsenic content(As): ??.0001% PH value (10g/L): ??.6 Loss on dry: ??.20% Ammonium salt content: Through experiment Transparency: Through experiment