Simple Modification of Karl-Fischer Titration Method for Determination of Water Content in Colored Samples

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td align="left">Sample</td><td align="center">Number of analyses</td><td align="center">Average moisture value</td><td align="center">SD</td><td align="center">RSD</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td align="left">PEG</td><td align="center">7</td><td align="center">0.188</td><td align="center">0.016</td><td align="center">8.278%</td></tr><tr><td align="left">Standard</td><td align="center">5</td><td align="center">0.522</td><td align="center">0.016</td><td align="center">3.065%</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Accuracy of moisture determination with the original method with visual observation of the endpoint.

Journal of Analytical Methods in Chemistry

tab4

Table 4

Table 4: Simple Modification of Karl-Fischer Titration Method for Determination of Water Content in Colored Samples 