| 分子式 | |
| 其他事项 | 4.120023Sodium di-Hydrogen Phosphate 1-hydrateACS, Reag. Ph. Eur.NaH2PO4H2O M.=137.99CAS No. 10049-21-5Guarantee analysisAssay (Acidim.) 98.0 ~ 102.0%pH of 5% solution 4.1 ~ 4.5 MAXIMUM LIMIT OF IMPURITIES Insoluble matter in H2O 0.01 %Chloride (Cl) 0.0005% Nitrogen compounds (as N) 0.001%Sulphate (SO4) 0.003%Heavy metals (as Pb) 0.0005%As 0.00005%Ca 0.005%Cd 0.0005%Co 0.0005%Cu 0.0005%Fe 0.0005%K 0.005%Mg 0.005%Ni 0.0005%Pb 0.0005% |
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