PBS

Phosphate-buffered Saline (PBS)

PBS pH 7.4

to add (for 1× solution)	For 1×	For 10× stock	Final concentration
NaCl	8 g	80 g	137 mM
KCl	0.2 g	2 g	2.7 mM
Na2HPO4	1.44 g	14.4 g	10 mM
KH2PO4	0.24 g	2.4 g	1.8 mM