The Preparation and Characterization of Tourmaline-Containing Functional Copolymer p (VST/MMA/BA)

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Samples</td><td class="align_center">The amount of negative ions (ions/cm<sup>3</sup>)</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Air</td><td class="align_center">192</td></tr><tr><td class="align_left">Unmodified tourmaline</td><td class="align_center">433</td></tr><tr><td class="align_left">Modified tourmaline</td><td class="align_center">575</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The amount of negative ions released by air, tourmaline, and modified tourmaline.</div>

Journal of Spectroscopy

tab1

Table 1

Table 1: The Preparation and Characterization of Tourmaline-Containing Functional Copolymer p (VST/MMA/BA) 