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商城首页 > 通用试剂 > 硫酸铁铵
  • 硫酸铁铵
  • CAS编号:7783-83-7
  • 中文别名:十二水合硫酸铁铵; 硫酸铁(III)铵十二水合物
  • 英文名称:Ammonium iron(III) sulfate dodecahydrate
  • 分子式:H28FeNO16S
  • 分子量:386.1283
  • 0个化合物
货号 名称 规格 包装 单价(元) 优惠(元) 库存 数量 操作
R534155 硫酸铁铵 CP 500g ¥ 32.00 ¥ 30.4 >10 -+ 加入购物车
R193802 硫酸铁铵 AR 500g ¥ 35.00 ¥ 33.25 >10 -+ 加入购物车
R354689 硫酸铁铵 GR 500g ¥ 45.00 ¥ 42.75 >10 -+ 加入购物车
R997807 硫酸铁铵 ACS 500g ¥ 50.00 ¥ 47.5 >10 -+ 加入购物车
R633787 硫酸铁铵 PT 100g ¥ 38.00 ¥ 36.1 >10 -+ 加入购物车
R432415 硫酸铁铵 99.99% 25g ¥ 85.00 ¥ 80.75 >10 -+ 加入购物车
R531512 硫酸铁铵 99.99% 100g ¥ 288.00 ¥ 273.6 >10 -+ 加入购物车
化学性质

无色至淡紫色透明八面形结晶,无气味,有收敛酸味。密度:1.71,熔点: 37℃,折光率:1.4854有风化性。易溶于水,几乎不溶于醇。0.1mol/L水溶液pH为2.5。230℃失去12分子结晶水。有刺激性。

质量标准
GB/T 1279-89
项目Item                                             分析纯      化学纯
                                                      (AR)        (CP)
含量[NH4Fe(SO4)2·12H2O)Assay,%                     ≥99.0       98.0
水不溶物Insoluble matter in water,%                  ≤0.005      0.015
氯化物(Cl)Chloride,%                                 ≤0.0005     0.005
硝酸盐(NO3)Nitrate,%                                 ≤0.01       0.02
钠(Na)Sodium,%                                       ≤0.01       0.05
镁(Mg)Magnesium,%                                    ≤0.01       0.05
钾(K)Potassium,%                                     ≤0.01       0.05
锰(Mn)Manganese,%                                    ≤0.005       --
亚铁(Fe)Ferrous,%                                    ≤0.001      0.005
铜(Cu)Copper,%                                       ≤0.002      0.01
锌(Zn)Zinc,%                                         ≤0.003      0.01
铅(Pb)Lead,%                                         ≤0.001       --
 
 
ACS级
项目名称Item                                        ACS Grade
含量[Fe(SO4)2NH4·12H2O]Assay                        98.5-102.0%
水不溶物Insoluble matter in water                    ≤0.01%
氯化物(Cl)Chloride                                   ≤0.001%
硝酸盐(NO3)Nitrate                                   ≤0.01%
钙(Ca)Calcium                                        ≤0.01%
铜(Cu)Copper                                         ≤0.003%
镁(Mg)Magnesium                                      ≤0.005%
钾(K)Potassium                                       ≤0.005%
钠(Na)Sodium                                         ≤0.02%
锌(Zn)Zinc                                           ≤0.003%
亚铁盐(Fe2+)Ferrous                                  Passes test
 
 
 
99.99% metals basis:
 
 
外观Appearance                          Pale Violet Crystals
X-射线衍射分析X-Ray Diffraction         Conforms to Structure
纯度Purity                              ≥99.99% Based on Trace Metals Impurities
ICP Major Analysis                      Confirms iron component
总痕量金属杂质total metallic impurities   ≤200ppm by ICP Atomic emission


用途

测定卤素的指示剂,银量法指示剂,媒染剂,氮肥生产中测定纯碱含铁量,分析金属盐溶液的氰化物,配高铁的标准。