共 50 条
- [1] SEPARATION OF THORIUM FROM RARE EARTHS FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE, 1958, 161 (02): : 114 - 115
- [4] CHROMATOGRAPHIC SEPARATION OF RARE EARTHS AND URANIUM FROM THORIUM ZEITSCHRIFT FUR ANALYTISCHE CHEMIE FRESENIUS, 1965, 213 (01): : 38 - &
- [6] SPECTROGRAPHIC DETERMINATION OF TRACE AMOUNTS OF RARE EARTHS IN THORIUM COMPOUNDS KOGYO KAGAKU ZASSHI, 1961, 64 (06): : 972 - &
- [9] ANALYSIS OF PURIFIED URANIUM COMPOUNDS FOR NANOGRAM QUANTITIES OF BERYLLIUM AND CERTAIN RARE EARTHS - CHEMICAL SEPARATION AND SPECTROGRAPHIC DETERMINATION MIKROCHIMICA ET ICHNOANALYTICA ACTA, 1965, (01): : 133 - &