Aqueous Behaviour of Chitosan

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr><td align="left">Treatment</td><td align="center">Concentration, gpl</td><td align="center" colspan="5">Amount of Ca<sup>+2</sup> ions (ppm) chelated after:</td></tr><tr><td align="left"></td><td align="center"></td><td align="center">2 hrs</td><td align="center">24 hrs</td><td align="center">48 hrs</td><td align="center">72 hrs</td><td align="center">96 hrs</td></tr><tr><td align="center" colspan="7"><hr/></td></tr><tr><td align="left">Na<sub>4</sub>EDTA</td><td align="center">1</td><td align="center">405</td><td align="center">426</td><td align="center">435</td><td align="center">450</td><td align="center">452</td></tr><tr><td align="left">CHT1</td><td align="center">1</td><td align="center">177</td><td align="center">208</td><td align="center">232</td><td align="center">269</td><td align="center">293</td></tr><tr><td align="left">CHT3</td><td align="center">1</td><td align="center">182</td><td align="center">187</td><td align="center">185</td><td align="center">189</td><td align="center">196</td></tr><tr class="table-tr"><td colspan="7"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td>Initial concentration of Ca<sup>+2</sup> in water = 625 ppm.<br/></td></tr></table>

International Journal of Polymer Science

Aqueous Behaviour of Chitosan

Table 3