NaOH + Na2HPO4 --> Na3PO4 + H2O (aka tribasic sodium phosphate) Of course, once all the hydrogen is consumed there is no further reaction with sodium hydroxide. In general, adding sodium hydroxide to a solution of any of the sodium phosphates will change the pH.
Pre-operative adjective Referring to the logistics of preparing for a surgical procedure/operation. See Pre-op time noun. 1. A popular term for all forms of careâeg, medication provided to a Pt prior to a surgical intervention.
Low-speed pre-ignition. From Wikipedia, the free encyclopedia. (Redirected from Low-Speed Pre-Ignition). Low-speed pre-ignition (LSPI) , also known as stochastic pre-ignition (SPI), is a pre-ignition event that occurs in gasoline vehicle engines when there is a premature ignition of the main fuel charge.