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- [3] CONCENTRATION OF IMPURITIES IN EMISSION SPECTROGRAPHIC ANALYSIS JOURNAL OF ANALYTICAL CHEMISTRY OF THE USSR, 1979, 34 (05): : 763 - 769
- [4] DETERMINATION OF IMPURITIES IN FERRONIOBIUM BY SPECTROGRAPHIC ANALYSIS INDUSTRIAL LABORATORY, 1958, 24 (12): : 1616 - 1617
- [8] DETERMINATION OF HAFNIUM IN ZIRCONIUM BY SPECTROGRAPHIC METHOD INDUSTRIAL LABORATORY, 1960, 26 (05): : 600 - 601
- [9] THE SPECTROGRAPHIC DETERMINATION OF IMPURITIES IN CADMIUM INDUSTRIAL LABORATORY, 1962, 28 (06): : 725 - 726
- [10] SPECTROGRAPHIC DETERMINATION OF IMPURITIES IN MAGNESIUM ANALES DE QUIMICA, 1978, 74 (04): : 601 - 605