The method consists in dissolving of a test portion in chloroform, extracting of free glycerol from this sulution with acetic acid solution, oxidizing of 1-monoglycerides in the chloroform solution by an excess of periodic acid solution, adding of potassium iodide and titration of the liberated iodine with a sodium thiosulfate standard volumetric solution. Oxidation of free glycerol in the aqueous solution by an excess of periodic acid solution, adding of potassium iodide titration of the liberated iodine with a sodium thiosulfate standard volumetric solution.
Số hiệu tiêu chuẩn
ISO 7366
Tên tiêu chuẩn
Animal and vegetable fats and oils; Determination of 1-monoglycerides and free glycerol contents
Ngày phát hành
1987-06-00
Tiêu chuẩn tương đương
BS 684-2.42 (1989-03-31), IDT * GB/T 22328 (2008), IDT * NF T60-245 (1987-08-01), IDT * CSN ISO 7366 (1994-12-01), IDT * NEN 6338:1991 nl (1991-01-01), NEQ
Từ khóa
Agricultural products * Animal fats * Animal oils * Butyrates * Chemical analysis and testing * Determination of content * Fats * Glycerol * Oils * Vegetable fats * Vegetable oils * Propantriol * Glycerine
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