Table 2.

Ionic concentration in human blood plasma in comparison with various developed SBF medium.¹⁴⁵

Ion	Human blood plasma (pH 7.2–7.4)	Ion concentration (10−3 mol) in
		SBF (pH 7.4)	Revised-SBF (r-SBF)	Modified-SBF (m-SBF)
Na+	142.0	142.0	142.0	142.0
K+	5.0	5.0	5.0	5.0
Mg2+	1.5	1.5	1.5	1.5
Ca2+	2.5	2.5	2.5	2.5
Cl−	103.0	147.8	103.0	103.0
${\mathrm{HCO}}_3^{-}$	27.0	4.2	27.0	10
${\mathrm{HPO}}_4^{2-}$	1.0	1.0	1.0	1.0
${\mathrm{SO}}_4^{2-}$	0.5	0.5	0.5	0.5

SBF: simulated body fluid.