Robuta

https://www.usgs.gov/publications/stability-hydrogen-ion-and-specific-conductance-filtered-wet-deposition-samples-stored
Separate experiments by the U.S. Geological Survey (USGS) and the Illinois State Water Survey Central Analytical Laboratory (CAL) independently assessed the...
hydrogen ionspecific conductancestabilityfiltered
https://pubmed.ncbi.nlm.nih.gov/7446957/
Hydrogen ion buffers for biological research
hydrogen ionbiological researchbuffers
https://www.wikidata.org/wiki/Q28257659
scientific article (publication date: February 1966)
hydrogen ionbiological researchbufferswikidata
https://scirp.org/journal/paperinformation?paperid=22867
Discover the superior performance of a cobalt-iron alloy thin-film electrode-based hydrogen-phosphate-ion sensor. Stable for over 7 weeks with rapid response...
iron alloythin filmhydrogen phosphatecobaltpotentiometric