refractive index of polymers
... that addition of sulfur increases the refractive index of polymers?
... that addition of <a href="./Sulfur" id="mwCFY" rel="mw:WikiLink" title="Sulfur">sulfur</a> increases the <b id="mwCFc"><a class="mw-redirect" href="./High_refractive_index_polymers" id="mwCFg" rel="mw:WikiLink" title="High refractive index polymers">refractive index of polymers</a></b>?