標準號：ISO 11050-1993
中文標準名稱：小麥粉和硬質小麥粗粒面粉 動物性雜質的測定
英文標準名稱：Wheat flour and durum wheat semolina; determination of impurities of animal origin
標準類型：X11;B22
發布日期：1999/12/31 12:00:00
實施日期：1999/12/31 12:00:00
中國標準分類號：X11;B22
國際標準分類號：67.060
適用范圍：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.