The photometric determination of cobalt by extraction with b -nitroso-a-naphthol |
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| Authors: | A Claassen A Daamen |
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| Institution: | Philips Research Laboratories N. V. Philis'' Gloeilampenfabrieken, EindhovenNetherlands |
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| Abstract: | An improved procedure has been described for the photometric determination of cobalt by extraction of the β-mtroso-α-naphthol complex with chloroform. This procedure can be applied in the presence of large amounts of foreign elements. Interfering elements are: gold, palladium, platinum and copper (above 25 mg).The method has been applied to the determination of cobalt in steels, non-ferrous alloys and nickel. |
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