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HF-free microwave assisted dissolution of soil samples for quantitative assessment of potassium
N NASKAR, S LAHIRI,
Published in Scientific Publishers
2016
Volume: 93
   
Issue: 7
Pages: 799 - 804
Abstract
HF-free microwave assisted soil dissolution method has been developed for potassium analysis using HN03 and HC104. The developed method will be helpful for K analysis by AAS, ICP-OES or ICP-MS. Twelve soil samples were subjected to digestion in microwave digester for extracting out potassium. Even after vigorous digestion, about 20% residue was observed. It has been confirmed by y-spectrometry with the help of highly shielded high-purity Germanium (HPGe) detector that the residue does not contain any 40K, which in turn suggests that the total K has been transferred to the solution. © 2016 Scientific Publishers. All rights reserved.
About the journal
JournalJournal of the Indian Chemical Society
PublisherScientific Publishers
ISSN0019-4522
Open AccessNo