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.
â¢ The surgeon can never be paid to do a pre-op visit if s/he is going to take the patient to surgery. â¢ The surgeon can bill and be paid for an office visit for the purposes of a pre-op H&P after the decision for surgery is made, but before the surgery itself, if the hospital requires it. The surgeon can never be paid to do a pre-op visit if s/he is going to take the patient to surgery. â¢ The surgeon can bill and be paid for an office visit for the purposes of a pre-op H&P after the decision for surgery is made, but before the surgery itself, if the hospital requires it.