Table 4 The unit cell parameters of obtained complex substituted calcium phosphates after sorption and heating to 700 °C
From: Immobilization of cesium from aqueous solution using nanoparticles of synthetic calcium phosphates
Samples index | M | Lattice parameters | Structure type | |
|---|---|---|---|---|
a, Å | c, Å | |||
1 | Na | 9.509(8) | 6.829(3) | Apatite |
3 | 9.426(6) | 6.843(3) | ||
7 | K | 10.422(1) | 37.366(2) | Whitlockite |
9 | 10.463(6) | 37.349(4) | ||
4 | Na | 9.393(1) | 6.864(1) | Apatite |
6 | 9.422(1) | 6.891(1) | ||
10 | K | 9.390(3) | 6.878(2) | Apatite |
12 | 9.443(5) | 6.892(4) | ||