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INDIRECT POTENTIOMETRIC DETERMINATION OF METAL-IONS BY FLOW-INJECTION ANALYSIS WITH A COPPER ELECTRODE
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ANALYTICAL LETTERS PART A-CHEMICAL ANALYSIS,
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SILICA-GEL AS AN INSOLUBLE CARRIER FOR PREPARATION OF SELECTIVE CHROMATOGRAPHIC ADSORBENTS - PREPARATION OF 8-HYDROXYQUINOLINE SUBSTITUTED SILICA-GEL FOR CHELATION CHROMATOGRAPHY OF SOME TRACE METALS
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JOURNAL OF CHROMATOGRAPHY,
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