Ferrous sulfate heptahydrate

MDL：
MFCD00149719

Molecular Formula：
FeSO4·7H2O

Molecular Weight：
278.01

Alias：
七水合硫酸亚铁,绿矾,铁矾 Ferrous sulfate Iron vitriol Green vitriol sulfate heptahydrate

Product order：

Name	Specifications	Packing	Price	Delivery
Ferrous sulfate heptahydrate	AR	500g	RMB 49.5	现货
Ferrous sulfate heptahydrate	CP	500g	RMB 44	Consulting service
Ferrous sulfate heptahydrate	ACS	500g	RMB 71.5	Consulting service
Ferrous sulfate heptahydrate	GR	500g	RMB 66	Consulting service

Character：
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，几乎不溶于醇。在56.6℃成为四水合物，在65℃时成为一水合物。溶于水，几乎不溶于乙醇。其水溶液冷时在空气中缓慢氧化，在热时较快氧化。加入碱或露光能加速其氧化。有刺激性。
熔点:  100 °C 

Quality Standard：
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%

Storage：
密封避光保存
分析试剂，点滴分析测定铂、硒亚硝酸盐和硝酸盐，制造铁氧体原料，净水，聚合催化剂，单倍体育种和农业微生物培养中配制培养基。照相制版。