Chaurasia, S. C.Sahayam, A. C.Mishra, R. K.Venkateswarlu, G.Mukherjee, T.2009-05-152009-05-152006http://hdl.handle.net/123456789/12494282 bytestext/htmlenhydrofluoric acidImpure acidisopiestic and sub-boiling distillationICP-MS Elemental AnalysisA Combined Isopiestic and Sub-boiling Distillation Method for the Purification of Hydrofluoric Acid Used for ICP-MS Elemental AnalysisArticle