div class=trans-pagebuttonPage 1button div class=trans-image a href=https:reader042fdocumentsinreader042viewer20220308185b2de8b97f8b9a91438b9767html5page1jpg target=_blank amp-img class=trans-thumb alt=Page 1: Presentation1 - stephen-hermancom image with different properties by positive ions cations that is not present in many other materials src=https:reader042fdocumentsinreader042viewer20220308185b2de8b97f8b9a91438b9767html5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=trans-pagebuttonPage 2button div class=trans-image a href=https:reader042fdocumentsinreader042viewer20220308185b2de8b97f8b9a91438b9767html5page2jpg target=_blank amp-img class=trans-thumb alt=Page 2: Presentation1 - stephen-hermancom image with different properties by positive ions cations that is not present in many other materials src=https:reader042fdocumentsinreader042viewer20220308185b2de8b97f8b9a91438b9767html5thumbnails2jpg width=142 height=106 layout=responsive amp-imga divdiv