peroxide value


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Related to peroxide value: Iodine value

peroxide value

[pə′räk‚sīd ‚val·yü]
(analytical chemistry)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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The oil had 0.387+-0.043, 2.907+-0.197, 118.8+-2.997 and 188.83+-1.678 acid value, peroxide value, iodine value and saponification value, respectively.
The AOCS Cd 8-53 method adapted [47] was used to measure the primary oxidation product, expressed as the peroxide value (PV) [48].
The peroxide values observed for Castor oil was higher than the other feed stocks as represented in Table 1.
The acid value (AV) and the peroxide value (PV) were determined according to IUPAC 2.201 [12] and IUPAC 2.501 [13], respectively.
A 250-gram sample/replicate was retained from each trial for oil extraction for peroxide value determination.
Physicochemical properties such as moisture, color, freezing point AdegC, smoke point AdegC, refractive index (40AdegC), free fatty acids (FFA), saponification value, iodine value, peroxide value and fatty acids composition of industrially processed cottonseed oils were measured according to the American Oil Chemists Society (AOCS) methods [9]..
Refractive index, density, specific gravity, surface tension, acid value, free fatty acid value, saponification value, iodine value, colour and peroxide value were carried out.
Rancimat oxidation stability induction period (IP), peroxide value (PV), total acid number (TAN), and FAME composition were measured.
Typical applications include the continuous measurement of protein, fat, lactose and total solids in milk products; chemical oxygen demand (COD) in waste water flow of dairies or cheese factories; and measuring free fatty acids, total polar material, peroxide value, moisture, dirt and other values during edible oil and fat processing.
Peroxide Value. Peroxide value was determined by incubating a mixture of oil and chloroform/acetic acid (10: 15, vol/vol) with a solution of potassium iodide in the dark for 5 min.