Table 5: Measured Values of Ca+2, Sr+2, Zn+2, iP and their Total Ratio in Modified Sr and Zn Containing SBF

Solution 1.5 x Sr-c-SBF 1.5 x Zn-c-SBF
Ca+2 (mM) Sr+2 (mM) iP (mM) [Ca+2 + Sr+2]/iP Ca+2 (mM) Zn+2 (mM) iP (mM) [Ca+2 + Zn+2]/iP
Zero 3.10 0.50 1.23 2.93 3.10 0.49 1.06 3.42
1st 2.57 0.36 1.08 2.71 2.00 0.35 0.81 2.91
2nd 4.05 0.46 1.05 4.29 2.32 0.15 0.88 2.81
3rd 3.13 0.45 1.15 3.11 2.95 0.35 0.93 3.56
4th 3.63 0.49 1.12 3.68 3.20 0.37 0.77 4.64
5th 3.33 0.53 1.40 2.76 2.48 0.59 1.30 2.37