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 Name: Ferroferric oxide
Ferroferric oxide

CAS No.: [ CAS  1317-61-9 ]
Molecular formula: Fe3O4 
Molecular weight: 231.53
Property: black crystal; soluble in acid, insoluble in water and alcohol, ether.
Uses: pigment and polishing agent

Ordinal

The examination  iterm

Factory  standard

1

 Fe3O4

≥98.0%

2

(SO42-)

≤0.10%

3

(Insolubles in HCl)

≤0.20%

4

(Solubles in water)

≤0.20%

5

(Cu)

≤0.05%

6

FeO

≥21.0%

7

(Cl-)

≤0.15%

8

SiO2

≤0.25%

9

P2O5

≤0.06%


Enterprise standard: Factory  standard  

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