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irfannimir
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Join Date: Dec 2008
Posts: 1

Determination of Hydroxyl Value?

12/02/2008 12:06 AM

I am just looking the alternate method for deyermination of OH value,I have the method in which Acetic anhydride is being used.But i want to replace this method in which acetic anhydride should not be used.
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Superchemist
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Join Date: Oct 2008
Location: Longview, TX
Posts: 14
Good Answers: 1
#1

Re: Determination of Hydroxyl Value?

12/02/2008 10:33 PM

I seem to remember a method for measuring hydroxyl value using a solution of phthalic anhydride. Can't remember the ASTM number though. Good luck.

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Anonymous Poster
#2

Re: Determination of Hydroxyl Value?

12/03/2008 4:21 PM

Recently saw an article from a university in Brasil for doing this test with milder chemicals. Try a search for the paper, it was published this year.
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babybear
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Join Date: Jun 2008
Location: USA/Europe
Posts: 4547
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#3

Re: Determination of Hydroxyl Value?

12/03/2008 10:51 PM

Hello irfannimir:

I hope these help you. Not eaxtly an easy subject when changing from one system to a possibly safer one?

An Alternative to the p -value Method File Format: PDF/Adobe Acrobat - View as HTML
An Alternative to the p-value Method. Weizhen Wang. Department of Mathematics and Statistics. Wright State University. Dayton, OH 45435, USA ...
www.math.wright.edu/People/Weizhen_Wang/paper/alterjspi.pdf - Similar pages
by W Wang - Related articles

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