div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: PowerPoint Presentation · It is designed to be used for quality control verification or methods development for the analysis of soil by ICP ICPMS GFAA or AA Spectroscopy techniques src=https:reader034vdocumentsusreader034viewer20220421225e9c8dacd10d8c45822d7367html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: PowerPoint Presentation · It is designed to be used for quality control verification or methods development for the analysis of soil by ICP ICPMS GFAA or AA Spectroscopy techniques src=https:reader034vdocumentsusreader034viewer20220421225e9c8dacd10d8c45822d7367html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 3button div class=ts-image amp-img class=ts-thumb alt=Page 3: PowerPoint Presentation · It is designed to be used for quality control verification or methods development for the analysis of soil by ICP ICPMS GFAA or AA Spectroscopy techniques src=https:reader034vdocumentsusreader034viewer20220421225e9c8dacd10d8c45822d7367html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdiv