per acids [obsolete]

https://doi.org/10.1351/goldbook.P04482
An ambiguous term, which may imply either a higher @O04365@ of a @C00930@, as in perchloric acid, or a derivative of hydrogen peroxide, as in CH3C(=O)OOH. Accordingly, it is not recommended as a class name.
See:
peroxy acids
Source:
PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1356 [Terms] [Paper]