Table 1.

Ion concentrations of SBF in comparison with those of human blood plasma.

types	ion concentrations (mM)
	Na+	K+	Mg2+	Ca2+	Cl−	HCO3−	${\text{HPO}}_4^{2-}$	${\text{SO}}_4^{2-}$
SBF	142.0	5.0	1.5	2.5	147.8	4.2	1.0	0.5
blood plasma	142.0	5.0	1.5	2.5	103.0	27.0	1.0	0.5