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 Name: Ferric oxide
Ferric oxide

CAS No.: [ CAS  1309-37-1 ]
Molecular formula: Fe2O3
Molecular weight: 159.69
Property: dark red powder; insoluble in water; melting point: 1550℃.
Uses: Used in ink, rubber industry as catalytic agent and polishing agent
Enterprise standard: Factory  standard 

Ordinal

The examination  iterm

Factory  standard

1

Fe2O3(Content)

≥99.0%

2

(Insolubles in HCl)

≤0.02%

3

(Cl-)(chloride)

≤0.15%

4

(Insolubles in water)

≤0.20%

5

(以SO42-计)(Sulphae)

≤0.10%

6

Heavy metal(Cu)

≤0.05%

7

SiO2

≤0.05%

8

P2O5

≤0.06%

9

(Loose piled density)

0.35-0.40

Notes:the product should be stored in seal and dry place to avoid mixing with oxidizing agent

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