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.
Before your new car is ready to roll, someone has to look it over to make sure everything is in good working order. The person who does that job is called a pre delivery inspector, or PDI technician for short.It's a job that requires relatively few qualifications, but it's an essential one for dealerships and repair facilities nonetheless.he person who does that job is called a pre delivery inspector, or PDI technician for short. It's a job that requires relatively few qualifications, but it's an essential one for dealerships and repair facilities nonetheless.