| 分子式 | |
| 其他事项 | 4.120123Ammonium dihydrogen phosphateACS(NH4)H2PO4 M.=115.02 CAS No. 7722-76-1Guarantee analysisAssay (acidimetric) ≥ 98.0 % Insoluble in water ≤ 0.005 %pH (2.3%, H2O) about 4.2pH (5%, H2O) 3.8-4.4Chloride(Cl) ≤ 0.0005 %Nitrates (NO3) ≤ 0.001%Sulfates (SO4) ≤ 0.005 %Nitrate (NO3) ≤ 0.001 %Sulfates (SO4) ≤ 0.005 %Heavy metals (as Pb) ≤ 0.0005 %precipitable by ammonia ≤ 0.005 % As ≤ 0.0005 % K ≤ 0.005 %Ca ≤ 0.001 % Mg ≤ 0.005 %Fe ≤ 0.001 % Na ≤ 0.005 % |
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