acid value


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acid value

[′as·əd ′val·yü]
Also known as acid number.
(chemistry)
The acidity of a solution expressed in terms of normality.
(organic chemistry)
A number indicating the amount of nonesterified fatty acid present in a sample of fat or fatty oil as determined by alkaline titration.
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Acid value of the chicken fat produced through various rendering methods.
2012) reported increases in the soybean acid value for all storage conditions; however, increases in temperature and air humidity led to further grain deterioration.
Samples of radish seed oil (control) and radish seed oil with different density of TBHQ, RE and their compound were heated in incubator to a temperature of (60+-1) degC continuously for whole day and for 28days, which was used to determine acid value, peroxide value, sulforaphene content and tocopherol composition of samples and evaluate oil stability.
130 130 17070 69 Cloud point (8C) ASTM D2500-3 to 12 4-4NA -2 Pour point (8C) ASTM D97-15 to 10 -8-12-15-3 Acid value (mg KOH/g) ASTM D974 0.
It effectively disperses neat alkyd resins with a range of acid values (2-30 mg KOH/g), oil lengths (short, chain-stopped, medium, and long), molecular weights (up to -250 kg/mol), and viscosities (up to -250,000 cP) with little to no surfactant (0-4%).
Free fatty acid value was determined by method of US Army laboratories (Natick) described by Koniecko (1979).
The progress of reaction was monitored by checking the acid value and the amount of water collected.
When the reaction time increased to 5 h, the hydrolysis side reaction was slightly increased and this situation was caused a slight increase to acid value of the product.
Since the WFO, used in this study, has a low acid value (0.
The actual acid value of the synthesized polymers was found to be slightly higher than the theoretical acid value, as expected, because a part of the monomer MMA was lost with nitrogen purging through evaporation with solvent during polymer synthesis (Table 2).
BASF-YPC will further expand its acrylic acid value chain with additional acrylic acid and butyl acrylate plants.