1、Chemical Name: Ammonium Ferric Sulfate
2、Molecular Formula: NH4Fe(SO4)2·12H2O
3、Molecular Weight: 482.19
4、CAS: 10138-04-2
5、Character: It is lavender octahedral crystal, it will change to light brownness in the air. It is easily soluble in water ,but insoluble in ethanol.
6、Usage: It can be used as analytical reagent and mordant, also can be used as the raw material of pharmacy,etc.
7、Packing: It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as outer layer. The net weight of each bag is 25kg.
8、Storage and Transport: It should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.
| 质量指标 | Specifications | GB/T1279-2008 | |
| 分析纯 | 化学纯 | ||
| 含量（NH4Fe(SO4)2·12H2O），w/% ≥ | Content ( NH4Fe(SO4)2·12H2O),w/% ≥ | 99.0 | 98.0 |
| 水不溶物，w/% ≤ | Water insoluble, w/% ≤ | 0.005 | 0.015 |
| 氯化物（Cl）,w/% ≤ | Chlorides(Cl),w/% ≤ | 0.0005 | 0.005 |
| 硝酸盐（NO），w/% ≤ | Nitrates(NO),w/% ≤ | 0.01 | 0.02 |
| 钠（Na），w/% ≤ | Sodium (Na),w/% ≤ | 0.01 | 0.05 |
| 镁（Mg），w/% ≤ | Magnesium(Mg),w/% ≤ | 0.001 | 0.05 |
| 钾（K），w/% ≤ | Potassium(K),w/% ≤ | 0.01 | 0.05 |
| 锰（Mn），w/% ≤ | Manganese(Mn), w/% ≤ | 0.005 | ———— |
| 亚铁（Fe），w/% ≤ | Ferrous(Fe),w/% ≤ | 0.001 | 0.005 |
| 铜（Cu），w/% ≤ | Copper(Cu),w/% ≤ | 0.002 | 0.01 |
| 锌（Zn），w/% ≤ | Zinc(Zn),w/% ≤ | 0.003 | 0.01 |
| 铅（Pb），w/% ≤ | Lead(Pb),w/% ≤ | 0.001 | ———— |
