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ÕâÁ½Ì쿴һƪÎÄÕ ÌâÄ¿½Ð XRS analysis of sulphides by fusion methods ÎÄÕ³ö´¦£ºX-Ray Spectrometry Volume 19, Issue 2, pages 67¨C71, April 1990 ÕªÒª£ºA method is described for the XRS fusion analysis of mineral and plant concentrates containing sulphides (e.g. PbS, ZnS, CuFeS2 and FeS2) together with slags, mattes, fumes and drosses. The method involves a short pre-oxidation treatment using sodium nitrate, followed by fusion with an appropriate heat source. Losses of S by volatilization and of metals into the platinum crucibles are acceptably small for general assay purposes. ¿´Á˰ëÌìҲû¿´µ½XRS µÄÈ«Ãû£¬Çë½ÌÒ»ÏÂXRS ´ú±íµÄº¬Ò壿 |
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