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Table 3 Chemical and phases composition of obtained complex substituted calcium phosphates after sorption and heating to 700 °C depending on both type of initial matrix and concentration of cesium ion in the solution

From: Immobilization of cesium from aqueous solution using nanoparticles of synthetic calcium phosphates

Samples index Matrix for sorption C(Cs+) in solution, mol L−1 Elemental composition (wt%) Phase composition
Cs Ca P
1 I 0.05 0.51 36.36 20.69 α-Ca3(PO4)2 + Apatite
2 0.1 1.55 36.09 21.82
3 0.25 4.11 41.44 22.91
4 II 0.05 0.61 38.36 21.39 Apatite
5 0.1 1.31 41.87 22.93
6 0.25 2.71 41.68 21.14
7 III 0.05 0.75 41.97 22.04 Whitlockite
8 0.1 2.05 41.75 21.86
9 0.25 4.94 41.20 21.36
10 IV 0.05 0.64 44.95 22.87 Apatite
11 0.1 1.43 43.90 21.67
12 0.25 3.55 45.90 21.17