硫酸亚铁

Ferrous sulfate hept

硫酸亚铁的化学性质,质量标准及用途

化学性质

蓝绿色结晶，在干燥空气中风化，在潮湿空气中氧化成棕色硫酸高铁，溶于水

质量标准

AR / CP / 4N / SP

GB/T 664-93
项目Item                                                           分析纯       化学纯
                                                                                  (AR)        (CP)
含量(FeSO4·7H2O)Assay,%                       99.0-101.0     98.0-101.0
水不溶物Insoluble matter in water,%            ≤0.005        0.02
氯化物(Cl)Chloride,%                                         ≤0.002        0.005
总氮量(N)Total nitrogen,%                                 ≤0.001         --
磷酸盐(PO4)Phosphate,%                                 ≤0.0005       0.002
锰(Mn)Manganese,%                                         ≤0.05          --
高铁(Fe3+)Ferric,%                                            ≤0.02         0.10
铜(Cu)Copper,%                                                 ≤0.005        0.01
锌(Zn)Zinc,%                                                       ≤0.005        0.02
砷(As)Arsenic,%                                                ≤0.00002      0.00005
铅(Pb)Lead,%                                                    ≤0.002        0.002
氨水不沉淀物Substances not
precipitated by ammonia,%                              ≤0.05         0.2

ACS级
项目名称Item                                                 ACS Grade
含量(FeSO4·7H2O)Assay                         ≥99.0%
水不溶物Insoluble matter in water              ≤0.01%
氯化物(Cl)Chloride(Cl)                                 ≤0.001%
磷酸盐(PO4)Phosphate                              ≤0.001%
钙(Ca)Calcium(Ca)                                     ≤0.005%
铜(Cu)Copper(Cu)                                       ≤0.005%
镁(Mg)Magnesium(Mg)                             ≤0.002%
锰(Mn)Manganese(Mn)                              ≤0.05%
钾(K)Potassium(K)                                     ≤0.002%
钠(Na)Sodium(Na)                                       ≤0.02%
锌(Zn)Zinc(Zn)                                              ≤0.005%
高铁(Fe3+)Ferric ion                                     ≤0.1%

用途

 用作净水剂、煤气净化剂、媒染剂、除草剂、并用于制墨水、颜料等，医学上用作补血剂。

危险性质

危险品标志  Xn,Xi
危险类别码  22
安全说明  36/37/39
危险品运输编号  UN 9125
WGK Germany  -
RTECS  NO8510000
F  10-23
海关编码  28332950

储存方式

储存于阴凉、通风的库房。远离火种、热源。防止阳光直射。包装必须密封，切勿受潮。应与氧化剂、碱类等分开存放，切忌混储。储区应备有合适的材料收容泄漏物。 在空气中极易被氧化，实验时必须现用现配。