ISO 11050:1993
Wheat flour and durum wheat semolina; determination of impurities of animal origin
- Standard No.
- ISO 11050:1993
- Release Date
- 1993
- Published By
- International Organization for Standardization (ISO)
- Status
- Replace By
- ISO 11050:2020
- Latest
- ISO 11050:2020
- Scope
- The principle of the method described is hydrolysis of a test portion with a solution of hydrochloric acid at boiling point, concentration of the insoluble particles at a water/hydrocarbon interface, separation by filtration on a filter paper or membrane, microscopic examination, and counting under reflected light, of the impurities of animal origin (i.e. insects at all stages of their development, insect fragments, mites and their fragments, and rodent hairs and their fragments). Applies to wheat flours, with or without additives and having an ash yield not exceeding 0,63 % (m/m), and durum wheat semolinas.
ISO 11050:1993 history
- 2020 ISO 11050:2020 Wheat flour and durum wheat semolina — Determination of impurities of animal origin
- 1993 ISO 11050:1993 Wheat flour and durum wheat semolina; determination of impurities of animal origin
