Kinetic Study of Calcium Phosphate Precipitation in the System H3PO4-Ca(OH)2-H2O at 30°C

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Abbreviation</td><td class="align_center">Chemical formula</td><td class="align_center">Ca/P</td><td class="align_center">Preparation conditions</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left" colspan="3">Precipitates</td><td class="align_center">pH</td></tr><tr><td class="align_left" colspan="4"><hr/></td></tr><tr><td class="align_left">MCPM</td><td class="align_center">Ca(H2PO4)2. H2O</td><td class="align_center">0.5</td><td class="align_center">0–2</td></tr><tr><td class="align_left">DCPD</td><td class="align_center">CaHPO4. 2H2O</td><td class="align_center">1</td><td class="align_center">2–6</td></tr><tr><td class="align_left">HAP</td><td class="align_center">Ca10(PO4)6(OH)2</td><td class="align_center">1.67</td><td class="align_center">9.5–12</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>pH precipitation range of some calcium phosphates [<a href="/journals/ijce/2020/2893298/#B11" target="_blank">11</a>–<a href="/journals/ijce/2020/2893298/#B14" target="_blank">14</a>].</div>

International Journal of Chemical Engineering

tab1

Table 1

Table 1: Kinetic Study of Calcium Phosphate Precipitation in the System H3PO4-Ca(OH)2-H2O at 30°C