MDL：
MFCD00149719

Molecular Formula：
FeSO4·7H2O

Molecular Weight：
278.01

Alias：
七水合硫酸亞鐵,綠礬,鐵礬 Ferrous sulfate Iron vitriol Green vitriol sulfate heptahydrate

Product order：

Name	Specifications	Packing	Price	Delivery
Ferrous sulfate heptahydrate	AR	500g	RMB 49.5	現(xiàn)貨
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：
藍(lán)綠色結(jié)晶，在干燥空氣中風(fēng)化，在潮濕空氣中氧化成棕色硫酸高鐵，溶于水，幾乎不溶于醇。在56.6℃成為四水合物，在65℃時(shí)成為一水合物。溶于水，幾乎不溶于乙醇。其水溶液冷時(shí)在空氣中緩慢氧化，在熱時(shí)較快氧化。加入堿或露光能加速其氧化。有刺激性。
熔點(diǎn):  100 °C 

Quality Standard：
GB/T 664-93
項(xiàng)目Item                                        分析純       化學(xué)純
                                                  (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
總氮量(N)Total nitrogen,%                      ≤0.001         --
磷酸鹽(PO4)Phosphate,%                         ≤0.0005       0.002
錳(Mn)Manganese,%                              ≤0.05          --
高鐵(Fe3+)Ferric,%                             ≤0.02         0.10
銅(Cu)Copper,%                                 ≤0.005        0.01
鋅(Zn)Zinc,%                                   ≤0.005        0.02
砷(As)Arsenic,%                                ≤0.00002      0.00005
鉛(Pb)Lead,%                                   ≤0.002        0.002
氨水不沉淀物Substances not
precipitated by ammonia,%                      ≤0.05         0.2

ACS級(jí)
項(xiàng)目名稱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%
磷酸鹽(PO4)Phosphate                           ≤0.001%
鈣(Ca)Calcium(Ca)                              ≤0.005%
銅(Cu)Copper(Cu)                               ≤0.005%
鎂(Mg)Magnesium(Mg)                            ≤0.002%
錳(Mn)Manganese(Mn)                            ≤0.05%
鉀(K)Potassium(K)                              ≤0.002%
鈉(Na)Sodium(Na)                               ≤0.02%
鋅(Zn)Zinc(Zn)                                 ≤0.005%
高鐵(Fe3+)Ferric ion                           ≤0.1%

Storage：
密封避光保存
分析試劑，點(diǎn)滴分析測(cè)定鉑、硒亞硝酸鹽和硝酸鹽，制造鐵氧體原料，凈水，聚合催化劑，單倍體育種和農(nóng)業(yè)微生物培養(yǎng)中配制培養(yǎng)基。照相制版。