产品说明
分析说明
Assay (potentiometric, (NH4)₄Ce(SO₄)₄· 2 H₂O): ≥ 99.0 %
Substances insoluble in diluted sulfuric acid: ≤ 0.005 %
Chloride (Cl): ≤ 0.001 %
Phosphate (PO₄): ≤ 0.005 %
Heavy metals (as Pb): ≤ 0.005 %
Fe (Iron): ≤ 0.005 %
法律信息
EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany
基本信息
| 线性分子式 | (NH4)4Ce(SO4)4 · 2H2O |
| 分子量 | 632.55 |
| MDL编号 | MFCD00149417 |
| EC索引号 | 231-567-4 |
产品性质
| 质量水平 | 300 |
| 等级 | ACS reagent |
| 测定 | ≥99.0% ((NH4)4Ce(SO4)4·2H2O basis, potentiometry) |
| 形式 | solid |
| pH值(酸碱度) | 1.2 (20 ℃, 100 g/L in H2O) |
| 堆积密度 | 800 kg/m3 |
| 痕量阴离子 | chloride (Cl-): ≤0.001% phosphate (PO43-): ≤0.005% |
| 痕量阳离子 | Fe: ≤ 0.005% heavy metals (as Pb): ≤ 0.005% |
| 储存温度 | 15-25℃ |
安全信息
| 储存分类代码 | 13 - Non Combustible Solids |
| WGK | WGK 3 |
| 闪点(F) | Not applicable |
| 闪点(C) | Not applicable |
SUPELCO
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