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I am running a reaction where I have a hydrogel, pH 5.5, and DMF, pH 11.5, added to the hydrogel solution dropwise. After DMF addition the pH goes to less than 1. I need this to be at pH 8.5 but addition of 1 M NaOH does not work to bring the pH up high

some text in the body

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New Contributor

Re: I am running a reaction where I have a hydrogel, pH 5.5, and DMF, pH 11.5, added to the hydrogel solution dropwise. After DMF addition the pH goes to less than 1. I need this to be at pH 8.5 but addition of 1 M NaOH does not work to bring the pH up h

Sounds like you may have an issue with the electrode.  Check the type of electrode you're using to determine whether there may be a compatibility issue with organics such as DMF.

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