Yes, gravy will go bad if not refrigerated. The pH and water activity are not low enough to make it shelf stable without a canning process.
the pH level is 1.1
Apples have a pH level of 3. Also, soda has a pH level of 4, and vinegar's pH level is 2.5.
pH LEVEL OF 10
the pH level of listerine is 4.8
The pH level of an orange typically ranges from 3 to 4. This acidic pH level gives oranges their tangy taste.
The pH level of Coke is around 2.5, making it acidic.
The pH level of pure phosphoric acid is typically around 2.8.
The pH level of an apricot typically ranges from 3.3 to 4.2.
Since it is neither an acid or a base, it has no pH.
The pH level of an orange is 4.3.
what is the pH level of fresh milk