| 分子式 | |
| 其他事项 | 4.120003Sodium Hydrogen CarbonateACS-ISONaHCO3 M.=84.01CAS No. 144-55-8 Assay (Acidim.) 99.7~100.3%MAXIMUM LIMIT OF IMPURITIES Insoluble matter in H2O ≤ 0.01%Reducing substances of I2 (I) ≤ 0.005%Chloride (Cl) ≤ 0.001% Nitrogen compounds (as N) ≤ 0.0005%Sulphur compounds (as SO4) ≤ 0.003%Phosphate (PO4) ≤ 0.001%Silicate SiO2 ≤ 0.005%As ≤ 0.00004%Heavy metals (as Pb) ≤ 0.0005%Metals by ICP [en mg/Kg (ppm)]Ag 5 K 50Al 5 Li 20Ba 5 Mg 50Bi 5 Mn 5Ca 100 Mo 5Cd 5 Ni 5Co 5 Pb 5Cr 5 Sr 5Cu 5 Tl 5Fe 5 Zn 5 |
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