Explore or Search Our Complete Test List

A new addition to our site, the complete test list includes detailed descriptions, external links to methods and full text search.

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Test List > H > Hydroxyl Number

Below is a full list of analytical tests performed by TEI. Scroll through the list and click on a test name to see a list of individual methods and a more detailed description.

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Hydroxyl Number by ASTM Method D4662

Measures the acidic and basic constituents in polyols and other materials of high acidity or alkalinity that are soluble in mixtures of toluene and ethyl alcohol. These test methods do not apply to polyethers.
http://www.astm.org/Standards/D4662.htm