Rao, S. V.Venkateswarlu, G.Dash, K.Dhavile, S. M.Chaurasia, S. C.Arunachalam, J.2019-09-232019-09-232004Atomic Spectroscopy, 2004. Vol. 25 (6): pp. 251-256http://hdl.handle.net/123456789/194784444 bytestext/htmlenUltrasound-assisted Acid ExtractionTrace ImpuritiesQuartz SamplesICP-OES AnalysisUltrasound-assisted Acid Extraction of Trace Impurities from Quartz Samples Followed by ICP-OES AnalysisArticle