The Study of Bound Water Status and Pore Size Distribution of Chinese Fir and Poplar Cell Wall by Low-Field NMR

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Salt</td><td class="align_center">RH (%)</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Potassium nitrate (KNO<sub>3</sub>)</td><td class="align_center">93.6</td></tr><tr><td class="align_left">Potassium chloride (KCl)</td><td class="align_center">84.3</td></tr><tr><td class="align_left">Sodium chloride (NaCl)</td><td class="align_center">75.3</td></tr><tr><td class="align_left">Sodium bromide (NaBr)</td><td class="align_center">57.6</td></tr><tr><td class="align_left">Potassium carbonate (K<sub>2</sub>CO<sub>3</sub>)</td><td class="align_center">43.2</td></tr><tr><td class="align_left">Potassium acetate (CH<sub>3</sub>COOK)</td><td class="align_center">22.5</td></tr><tr><td class="align_left">Lithium chloride (LiCl)</td><td class="align_center">11.3</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Salt solutions used in the sorption experiment and registered relative humidity at 25°C.</div>

International Journal of Polymer Science

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Table 3

Table 3: The Study of Bound Water Status and Pore Size Distribution of Chinese Fir and Poplar Cell Wall by Low-Field NMR 