Surface Characteristics and Bioactivity of a Novel Natural HA/Zircon Nanocomposite Coated on Dental Implants

Table 2

Nominal ion concentrations of SBF in comparison with those in human blood plasma.

Ion	Ion concentrations (m mol)
	SBF	Human blood plasma
Na^+	142.0	142.0
K^+	5.0	5.0
Mg^2+	1.5	1.5
Ca^2+	2.5	2.5
Cl^−	147.8	103.0
HCO3^−	4.2	27.0
HPO4^2−	1.0	1.0
SO4^2−	0.5	0.5
pH	7.4	7.2–7.4