peroxide number

peroxide number

[pə′räk‚sīd ‚nəm·bər]
(analytical chemistry)
Measure of millimoles of peroxide (or milliequivalents of oxygen) taken up by 1000 grams of fat or oil; used to measure rancidity. Also known as peroxide value.
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References in periodicals archive ?
The sour fuel was made by using an 80% fuel C/15% methanol/5% tbutyl alcohol blend with copper ion and t-butyl hydroperoxide added to increase the peroxide number to 180.
The acid and peroxide numbers were measured using methods LST EN ISO 660:2000 and LST EN ISO 3960:2001, respectively.
High starting peroxide numbers can indicate that a fat has been poorly manufactured or improperly stored.