| 分子式 | |
| 其他事项 | 4.120058Citric Acid anhydrousACSC6H8O7 M.=192.12CAS No. 77-92-9 Minimum assay (Acidimetric.) 99.5%Suitability for IR Spectrometry p/t.MAXIMUM LIMIT OF IMPURITIESWater 0.5%Insoluble matter in H2O 0.005%Darkened substances by H2SO4 p/t.Residue on ignition (as SO4) 0.02%Chloride (Cl) 0.001%Sulphur compounds (as SO4) 0.002%Phosphate (PO4) 0.001%Oxalate (C2O4) 0.05%Heavy metals (as Pb) 0.0005%As 0.00001% Fe 0.0003%Ba 0.001% Mg 0.0005%Ca 0.0025% Ni 0.0002%Cu 0.00005% Pb 0.0002% |
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