| 分子式 | |
| 其他事项 | 4.120135Potassium iodide,for analysis KI M.= 166.01 CAS No. 7681-11-0 Minimum assay (Arg.) 99.0%pH of 5% solution 6 ~ 9.2 Maximum limit of impurities Insoluble matter in H2O 0.005%Reducing substances of I2 (I) 0.001%Loss on drying at 150°C 0.3%Nitrogen compounds (as N) 0.001%Phosphate (PO4) 0.001%Sulfate (SO4) 0.005%Iodate (IO3) 0.0003%Chloride and bromide (as Cl) 0.01%Heavy metals (as Pb) 0.0005%As 0.00001% Mg 0.001%Ba 0.002% Mn 0.0005%Ca 0.002% Na 0.05%Cd 0.0005% Ni 0.0005%Co 0.0005% Pb 0.0005%Cu 0.0005% Zn 0.0005%Fe 0.0005% |
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