| 分子式 | |
| 其他事项 | 4.120050Zinc sulfate heptahydrate ACS, ISO, Reag. Ph EurZnSO47H2O M.=287.54 CAS No. 7446-20-0UN 3077 Assay(Complexometric) ≥ 99.0%Identity p/tClarity of solution p/tInsoluble matter ≤ 0.01%pH value (5% in H2O, 25 °C) 4.4 ~ 5.6Chloride (Cl) ≤ 0.0005%Total nitrogen (N) ≤ 0.0005%Nitrate (NO3) ≤ 0.002%Ammonium (NH4) ≤ 0.001%As ≤ 0.0005% Ca ≤ 0.001%Cd ≤ 0.0005% Cu ≤ 0.0005%Fe ≤ 0.0005% K ≤ 0.001%Mg ≤ 0.001% Mn ≤ 0.0003%Na ≤ 0.001% Pb ≤ 0.001%Corresponds to ACS, ISO, Reag.Ph Eur p/t |
异钩藤碱
编号:DY0017-0020 CAS号:6859-01-4 规格:20mg 浓度:HPLC≥98%
水中N-ε-羧乙基-L-赖氨酸溶液
编号:1ST160848-100W CAS号:5746-03-2 规格:1mL 浓度:100μg/mL
消螨酚
编号:ACHE-N-10331-100MG(F2468) 规格:100MG
定制混标10 标准品
编号:CDGG-132910-03-1ml 规格:100mg/L于正己烷,1 mL
定制混标 标准品
编号:CDGG-132964-04-1ml 规格:100mg/L于P/T甲醇,1 mL
定制混标03 标准品
编号:CDGG-132903-03-1ml 规格:100mg/L于正己烷,1 mL