div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=a-direct-plating-method-for-the-assay-of-radioactive-isotopes-in-aqueous-andhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: A Direct-Plating Method for the Assay of Radioactive Isotopes in Aqueous and Alcoholic Samples loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsusreader036viewer20220803205750680e1a28ab0f07ae63abhtml5thumbnails1jpg width=140 height=200 divp© 1958 Nature Publishing Grouppdiv