H1S
H1S is a string that may function as an acronym, abbreviation, product code, or model designation in various fields. It does not have a single, universally recognized meaning. When encountered, the intended sense of H1S depends on context, capitalization, and the domain in which it appears.
In chemistry, the standard formula for hydrogen sulfide is H2S. The notation H1S is not a standard
In technology, engineering, or commerce, H1S has been used as a model name, product code, or dataset
As an acronym, H1S could expand to multiple phrases depending on the field, from research project names
See also: HS, H2S, and disambiguation pages for similarly formatted acronyms.