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.
What Is A Pre-Poo? Pre-poo is a treatment you apply to your hair prior to adding shampoo or conditioner. It is the pre-shampoo stage hence the name: prepoo. It is used as an extra step in natural hair care regimens to provide a shield so to speak against the harsh stripping of the hair in the shampoo phase.