Ferric chloride
[Chinese alias] : ferric chloride
[CAS number] : 7705-08-0
[Molecular formula] : FeCl3
[Usage] : Ferric chloride is an important iron salt, widely used in metal etching, sewage treatment, coagulant, catalyst, oxidant, mordant, medicine and other fields.
| Serial number | Inspection item | unit | Technical requirement | Measured result | Single decision |
| 1 | appearance | / | Reddish-brown liquid | Reddish-brown liquid | Conform to |
| 2 | iron(Fe3+)Mass fraction | % | ≥ 13.0 | 15.9 | Conform to |
| 3 | ferrous(Fe2+)Mass fraction | % | ≤ 0.10 | 0.02 | Conform to |
| 4 | Mass fraction of insoluble matter | % | ≤ 0.50 | 0.11 | Conform to |
| 5 | The mass fraction of a free acid (HC1) | % | ≤ 0.40 | 0.26 | Conform to |
| 6 | density(20℃) | g/cm3 | ≥ 1.4 | 1 5 | Conform to |
