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Alpha Olefin Sulfonate - HIGH pH
Hello,
AOS (40% solution) I source from always having a very high pH grater than 11.
> What should be the normal pH of AOS 40% liquid?
Our preparation contains very less amount of water, so Its very hard to bring pH down to 7 with citric acid.
Thank you.
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1 Reply
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You have ask supplier if they have AOS preserved with alternative preservative rather than NaOH(pH Preservation), check with multiple suppliers
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