orthophosphoric acid
English
Etymology
ortho- + phosphoric acid
Noun
orthophosphoric acid (uncountable)
- (inorganic chemistry) Ordinary phosphoric acid, H3PO4
- 1861, William Odling, A Manual of Chemistry, Descriptive and Theoretical, Part 1, page 297:
- Metaphosphoric acid gives a white precipitate with nitrate of silver solution; orthophosphoric acid does not give any, save on the addition of an alkali, and the precipitate then produced is yellow.
- 1918, Herbert Royl Smith, The Laboratory Study of Chemistry, page 124:
- Evaporate 25 cc. of orthophosphoric acid solution to dryness, setting the burner beneath the dish and adjusting the flame so that the tip does not quite touch the dish.
- 2000, Nicholas P. Cheremisinoff, Practical Guide to Industrial Safety: Methods for Process Safety Professionals:
- With the exception of the fertilizer products, most phosphorus compounds are derived from orthophosphoric acid, produced by the oxidation of elemental phosphorus.
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Related terms
- orthophosphate
Further reading
