硫酸铁铵 (III) 十二水合物

等级

ACS reagent

质量水平

200

检测方案

98.5-102.0% (ACS specification)
99%

形式

crystals

reaction suitability

reagent type: catalyst
core: iron

杂质

≤0.01% insolubles
≤0.05% not NH4OH pptd.

pH值（酸碱度）

1 (25 °C, 482.2 g/L)

mp

39-41 °C (lit.)

痕量阴离子

chloride (Cl-): ≤0.001%
nitrate (NO3-): ≤0.01%

痕量阳离子

Cu: ≤0.003%
Fe2+:, passes test (limit about 0.001%)
Zn: ≤0.003%

储存温度

2-8°C