共 10 条
- [1] DISSOLUTION OF NIOBIUM AND TANTALUM MATRIX AND THEIR SEPARATION FROM TRACE-ELEMENTS BY MEANS OF EXTRACTION WITH DIANTIPYRYLMETHANES [J]. FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE, 1982, 313 (02): : 125 - 131
- [4] GORYANSK.GP, 1972, J ANAL CHEM-USSR+, V27, P1498
- [5] GREKOVA IM, 1969, ZAVODSK LAB, V35, P537
- [7] JENKINS R, 1974, INTRO XRAY SPECTROME, P111
- [10] SVOBODA O, 1985, M221 COUNC MIN TECHN