May
03
Phosphate-buffered saline (PBS) is a buffer solution frequently used in pharmaceutical practice, particularly in the formulation of ophthalmic solutions. It is also used in colorimetric determination of pH and in research studies where maintaining a constant pH is essential. Phosphate-buffered saline (PBS) contains sodium chloride (NaCl) and dibasic sodium phosphate (Na2HPO4). It may also contain […]