Division IV Special methods
United Kingdom
F1Summary Table
| Detailed list of fibres under each method. | |||
| Method | Field of application f1 | Reagent | |
|---|---|---|---|
| Soluble component | Insoluble component | ||
| 1. | Acetate | Certain other fibres | Acetone |
| 2. | Certain protein fibres | Certain other fibres | Hypochlorite |
| 3. | Viscose, cupro or certain types of modal | Certain other fibres | Formic acid and zinc chloride |
| 4. | Polyamide or nylon | Certain other fibres | Formic acid, 80 % m/m |
| 5. | Acetate | Certain other fibres | Benzyl alcohol |
| 6. | Triacetate or polylactide | Certain other fibres | Dichloromethane |
| 7. | Certain cellulose fibres | Certain other fibres | Sulphuric acid, 75 % m/m |
| 8. | Acrylics, certain modacrylics or certain chlorofibres | Certain other fibres | Dimethylformamide |
| 9. | Certain chlorofibres | Certain other fibres | Carbon disulphide/acetone, 55,5/44,5 v/v |
| 10. | Acetate | Certain other fibres | Glacial acetic acid |
| 11. | Silk, polyamide or nylon | Certain other fibres | Sulphuric acid, 75 % m/m |
| 12. | Jute | Certain animal fibres | Nitrogen content method |
| 13. | Polypropylene | Certain other fibres | Xylene |
| 14. | Certain fibres | Certain other fibres | Concentrated sulphuric acid method |
| 15. | Chlorofibres, certain modacrylics, certain elastanes, acetates, triacetates | Certain other fibres | Cyclohexanone |
| 16. | Melamine | Certain other fibres | Hot formic acid 90 % m/m |
| F217. | Polyester | Certain other fibres | Trichloroacetic acid and chloroform |
- METHOD No 1
- METHOD No 2
- METHOD No 3
- METHOD No 4
- METHOD No 5
- METHOD No 6
- METHOD No 7
- METHOD No 8
- METHOD No 9
- METHOD No 10
- METHOD No 11
- METHOD No 12
- METHOD No 13
- METHOD No 14
- METHOD No 15
- METHOD No 16
- METHOD No 17
Annotations
Textual amendments
- F1
- F2
Footnotes
- f1
-
Detailed list of fibres under each method.