共 50 条
- [41] APPLICATION OF ACTIVATION-ANALYSIS FOR DETERMINATION OF IMPURITIES IN TUNGSTEN ACTA TECHNICA ACADEMIAE SCIENTIARUM HUNGARICAE, 1974, 78 (3-4): : 427 - 434
- [42] Testing on the consitutional determination of inorganic compounds using spectrochemical methods BERICHTE DER DEUTSCHEN CHEMISCHEN GESELLSCHAFT, 1926, 59 : 1754 - 1775
- [43] DETERMINATION OF TRACE IMPURITIES OF TITANIUM AND ZIRCONIUM IN MOLYBDENUM AND TUNGSTEN AND THEIR OXYGEN COMPOUNDS BY X-RAY-FLUORESCENCE SPECTROMETRY FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE, 1977, 284 (02): : 101 - 105
- [44] PRECIPITATION AND DETERMINATION OF TUNGSTEN IN MOLYBDENUM COMPOUNDS INDUSTRIAL LABORATORY, 1958, 24 (08): : 1050 - 1050
- [46] DETERMINATION OF IMPURITIES IN RARE-EARTH COMPOUNDS FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY, 1990, 338 (02): : 156 - 158
- [47] ACTIVATION DETERMINATION OF IMPURITIES IN NIOBIUM AND ITS COMPOUNDS ZHURNAL ANALITICHESKOI KHIMII, 1973, 28 (02): : 323 - 327