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Chemistry
How can I test the ph of foods
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[QUOTE="Borek, post: 5979583, member: 23711"] Sticking the electrode into mayo won't work - that is, you will get some reading, but whether it is a pH of mayo is rather dubious. First of all - pH is a property of water solutions, mayo is not a water solution. Typical procedures in food industry call for a sample preparation that guarantee reproducibility and make the measurements comparable. Not that I am aware of any gold standard where such procedures are collected, that would be something like pharmacopoeia, just for the food industry. Trick is, food industry is not heavily regulated. To some extent you can design your own procedures - say, every time mix 1 mL of mayo with 9 mL of DI and measure pH of the mixture, that will probably make your measurements reproducible and comparable between samples. Note: chances are oil from mayo will kill the electrode, so you try at your own risk. [/QUOTE]
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How can I test the ph of foods
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