| 分子式 | |
| 其他事项 | 4.120111Sodium thiosulfate pentahydrateACSNa2S2O3 5 H2O M.=248.17CAS No. 10102-17-7Guarantee analysisAssay 99.5 - 101.0 %Insoluble matter ≤ 0.005 %pH (5% in H2O, at 25℃) 6.0 - 8.4Nitrogen compounds (as N) ≤ 0.002 %Sulfate and sulfite (as SO4) ≤ 0.1 %Heavy metals < 0.0006 %Sulfide p/t.Calcium p/t.Identification p/t. |