| 分子式 | |
| 其他事项 | 4.120053Potassium sodium tartrate tetrahydrate for analysis, ACS, ISO, Reag. Ph EurC4H4KNaO64 H2O M.=282.23CAS No. 6381-59-5Guarantee analysisAssay (Perchl. Ac.) 99.0 ~ 102.0%pH-value (5% in H2O) 6.5 ~ 8.5MAXIMUM LIMIT OF IMPURITIES Insoluble matter in H2O 0.003%Chloride (CI) 0.0005% Ammonium (NH4) 0.002%Phosphate (PO4) 0.001%Sulfate (SO4) 0.005%Heavy metals (as Pb) 0 0.0005%As 0.00002% Mg 0.002%Ca 0.002% Ni 0.0005%Cu 0.0002% Pb 0.0002%Fe 0.0002% Zn 0.001% |
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定制混标52 标准品
编号:CDGG-132952-03-1ml 规格:100mg/L于正己烷,1 mL
定制混标59 标准品
编号:CDGG-132959-03-1ml 规格:100mg/L于正己烷,1 mL
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编号:CDGG-132923-01-1ml 规格:1000mg/L于正己烷,1 mL