| http://www.w3.org/ns/prov#value | - Typical examples of such compounds include various buffers for adjusting the pH of the film (at e.g., 3 to 9) such as borate, metaborate, borax, phosphate, carbonate, potassium hydroxide, sodium hydroxide, ammonia water, monocarboxylic acid, dicarboxylic acid, polycarboxylic acid, combinations thereof, and aldehydes such as formalin.
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