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.
Preoperative care. (Redirected from Pre-op) Preoperative care refers to health care provided before a surgical operation. The aim of preoperative care is to do whatever is right to increase the success of the surgery. At some point before the surgery the health care provider will assess the fitness of the person to have surgery.
preoperative (pre-op) pertaining to the period before a surgical procedure. Commonly the preoperative period begins with the first preparation of the patient for surgery, such as when the surgery is scheduled. Within 1 week, the preoperative patient has relevant studies, labs, x-ray, and a history and physical examination. It ends with the induction of anesthesia in the operating suite.