div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader042vdocumentsusreader042viewer2022020405575067f71a28ab0f07adf8dbhtml5page1jpg target=_blank img data-url=a-novel-method-of-using-ion-exchange-resinshtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: A Novel Method of using Ion-Exchange Resins loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentsusreader042viewer2022020405575067f71a28ab0f07adf8dbhtml5thumbnails1jpg width=140 height=200 adivp© 1950 Nature Publishing Grouppdiv