hey guys... we're looking for a way to detect silicon-free antifoam additives like acrylate copolymers (some of the rare infos on these additives can be found on:
http://www.practicingoilanalysis.com/article_detail.asp?articleid=255

if anyone has any suggestions on how to measure the concentration of these completely organic additives, or has any further information about silicone-free antifoam additives I'd be really thankfull.

greetings from germany
JW