Make an acid-base indicator. Dr Yan uses some very colourful science to find out what's acidic in his kitchen. Take 1/4 red cabbage. Finely slice the cabbage. Put all the chopped-up cabbage into a ...

Medical Progress Archive “Folic Acid”: Pteroylglutamic Acid and Related Substances This article has multiple parts: Second of Two Parts Author: Frederick Sargent, II, M.D. Author Info ...

Substances with a PH level below neutral (7) are acidic, while those with a higher level are alkaline. Each becomes more corrosive the further from neutral they are found to be.

ALTMANN (1889) suggested the term ‘nucleic acid’ for the acidic substance of high phosphorus content which Miescher had isolated from the nuclei of pus cells and fish spermatozoa. Nucleic acid ...