Ferrous sulfate powder
Ferrous sulfate powder

Ferrous sulfate powder

  • Indicator
  • Chemical name:Ferrous Sulfate
  • Formula:FeSO4.H2O
  • Molecular weight:169.92
  • Appearance: Cream powder, anti-caking ,good fluidity
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Physical and Chemical indicator:

 Item

Indicator

Indicator

FeSO4.H2O  granular                        ≥

 

88.2

FeSO4.H2O  powder                         ≥  

91.3

 

Fe 2+Content, %                              ≥

30

29

Total arsenic (subject to As), mg / kg            ≤

2

2

Pb (subject to Pb),  mg / kg                   ≤

5

5

Cd(subject to Cd),mg/kg                      ≤

2

2

Hg(subject to Hg),mg/kg                      ≤

0.2

0.2

Water content,%                             ≤

3

3

Fineness (Passing rate), %  ≥

W=180µm≥95

W=850µm≥95

 

2、Product Feature

NO.1 Through recrystallization, FeSO4·7H2O is highly purified, with few impurities (Fe≥31%).

NO.2 Content of ferric iron is low, less than 100pm. Compared with Longmang company, its content is 200-300ppm.

No.3 Granularity of 95% is over 80 meshes, and granularity of Longmang iron is uneven.

No.4 Owing to raw materials rinsing, free acid in products is extremely low, less than 0.3%.

 

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