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.
Pre-Op Liquid Diet. Pre-Op Diet for Weight Loss Surgery. Pre-op operative weight loss is desirable to decrease the risk of complications for our patients scheduled for weight loss surgery. Weight loss before surgery reduces the risk of conversion from laparoscopic surgery to an open procedure. Pre-operative weight loss also reduces the severity of co-morbidities, reduces operating room and recovery time. It is very important that you adhere to the pre-op diet that your surgeon is recommending for you.