Media type: E-Article Title: Adsorption of heavy metal ions on crown ether adsorbents Contributor: Tzeng, Der-Liang; Shih, Jeng-Shang; Yeh, Yu-Chai imprint: Royal Society of Chemistry (RSC), 1987 Published in: The Analyst Language: English DOI: 10.1039/an9871201413 ISSN: 0003-2654; 1364-5528 Origination: Footnote: