Ammonium iron(Ⅱ) sulfate hexahydrate

MDL：
--MFCD00150530

Molecular Formula：
H8FeN2O8S2·6H2O；Fe(NH4)2(SO4)2·6H2O

Molecular Weight：
392.14

Alias：
马尔氏盐,低铁矾,亚铁铵矾,硫酸低铁铵,六水合硫酸亚铁铵,硫酸亚铁铵,六水合硫酸铁铵，六水合硫酸铁(Ⅱ)铵 Ferrous alum Ferrous ammonium sulfate Mohr’salt

Product order：

Name	Specifications	Packing	Price	Delivery
Ammonium iron(Ⅱ) sulfate hexahydrate	ACS	500g	RMB 55	Consulting service
Ammonium iron(Ⅱ) sulfate hexahydrate	GR	500g	RMB 38.5	Consulting service
Ammonium iron(Ⅱ) sulfate hexahydrate	AR	500g	RMB 30.8	Consulting service

Character：
淡蓝绿色结晶或粉末。在空气中逐渐风化及氧化。能溶于水，不溶于乙醇。浅蓝绿色结晶或粉末，对光敏感.
密度:1.86

Quality Standard：
 
   GB/T 661-92
项目Item                                              分析纯     化学纯
                                                       (AR)       (CP)
含量［Fe(NH4)2(SO4)2·6H2O)Assay,%                     ≥99.5     99.0
pH(50g/L溶液，25℃)                                     3-5       3-5
水不溶物Insoluble matter in water,%                    ≤0.005    0.02
氯化物(Cl)Chloride,%                                   ≤0.001    0.005
磷酸盐(PO4)Phosphate,%                                 ≤0.0005   0.002
锰(Mn)Manganese,%                                      ≤0.05       --
高铁(Fe)Ferric,%                                       ≤0.01     0.02
铜(Cu)Copper,%                                         ≤0.002    0.01
锌(Zn)Zinc,%                                           ≤0.005    0.02
铅(Pb)Lead,%                                           ≤0.002    0.004
氨水不沉淀物(以硫酸盐计)Substances not
precipitated by ammonia,%                             ≤0.1      0.2

ACS级
项目名称Item                                          ACS Grade
含量[Fe(NH4)2(SO4)2·6H2O]Assay                        98.5-101.5%
水不溶物Insoluble matter in water                      ≤0.01%
磷酸盐(PO4)Phosphate                                   ≤0.003%
钙(Ca)Calcium(Ca)                                      ≤0.005%
铜(Cu)Copper(Cu)                                       ≤0.003%
镁(Mg)Magnesium(Mg)                                    ≤0.002%
钾(K)Potassium(K)                                      ≤0.01%
钠(Na)Sodium(Na)                                       ≤0.02%
锌(Zn)Zinc(Zn)                                         ≤0.003%
高铁(Fe3+)Ferric ion                                   ≤0.01%

Storage：
密封避光保存。
用途  用以高锰酸钾及重铬酸钾标准溶液的标定，配制亚铁离子标准溶液。也用作聚合催化剂，剂量计.