Hydroxyl value
id:
hydroxyl-value-197-14559783
title:
Hydroxyl value
text:
In analytical chemistry, the hydroxyl value is defined as the number of milligrams of potassium hydroxide (KOH) required to neutralize the acetic acid taken up on acetylation of one gram of a chemical substance that contains free hydroxyl groups. The analytical method used to determine hydroxyl value traditionally involves acetylation of the free hydroxyl groups of the substance with acetic anhydride in pyridine solvent. After completion of the reaction, water is added, and the remaining unreact
brand slug:
wiki
category slug:
encyclopedia
description:
Mass of KOH needed to neutralize 1 gram of acetylized substance
original url:
https://en.wikipedia.org/wiki/Hydroxyl_value
date created:
date modified:
2022-10-09T02:02:12Z
main entity:
{"identifier":"Q906044","url":"https://www.wikidata.org/entity/Q906044"}
image:
fields total:
13
integrity:
14