共 50 条
- [1] SPECTROGRAPHIC ANALYSIS OF IMPURITIES IN REFINED COPPER SPECTROCHIMICA ACTA, 1957, 8 (06): : 390 - 391
- [4] CONCENTRATION OF IMPURITIES IN EMISSION SPECTROGRAPHIC ANALYSIS JOURNAL OF ANALYTICAL CHEMISTRY OF THE USSR, 1979, 34 (05): : 763 - 769
- [5] DETERMINATION OF IMPURITIES IN FERRONIOBIUM BY SPECTROGRAPHIC ANALYSIS INDUSTRIAL LABORATORY, 1958, 24 (12): : 1616 - 1617
- [7] EFFECT OF HALIDE CARRIERS IN SPECTROGRAPHIC EXAMINATION OF TRACE IMPURITIES IN COPPER SPECTROCHIMICA ACTA, 1965, 21 (12): : 2051 - &
- [8] The spectrographic detection and estimation of minute quantities of impurities in copper. JOURNAL OF THE INSTITUTE OF METALS, 1934, 55 : 275 - 281