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.
Pre-Production: How To Write a Treatment. One of the first steps in pre-production is the writing of a treatment. A treatment is a loose term that is thrown around in the industry. It's basically a summery of the work that is going to be shot. Now, there are two kinds of treatments: there is a writer's treatment and a director's treatment.