Does AOAC standard method 981.12 apply for only solid samples or is it only for liquid samples?

03 October 2023 1 2K Report

How would you determine the pH content of a biofilm specifically chitin, Is AOAC standard method 981.12 applicable for it's determination of pH. If not what AOAC method can be used for it. What solvent can also dissolve the film? Also what buffer solutions can we use?

Phil Geis

Solids have no pH.

Chapter Solubility of Chitin: Solvents, Solution Behaviors and Their...

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