产地 | 美国 |
品牌 | Sigma |
货号 | S4641-25G |
用途 | 科研试验 |
包装规格 | 瓶 |
CAS编号 | 6132-04-3 |
纯度 | 99% |
是否进口 | 是 |
S4641
ACS reagent
200
≥99.0%
≤0.003% Ammonia (NH3)
≤0.005% Insoluble matter
7.0-9.0 (25 °C, 5% in solution)
>300 °C (lit.)
water: soluble 29.4 g/L at 20 °C (completely)
chloride (Cl-): ≤0.003%
sulfate (SO42-): ≤0.005%
Ca: ≤0.005%
Fe: ≤5 ppm
heavy metals: ≤5 ppm (by ICP-OES)