References
- Morrison , G. H. and Freiser , H. 1957 . “ Solvent Extraction in Analytical Chemistry ” . New York : Wiley .
- Ohashi , K. and Freiser , H. 1980 . Anal. Chem. , 52 : 2214
- Bode , H. and Tusche , K. J. 1957 . Z. Analyt. Chem. , 153 : 30
- Eckert , G. 1957 . Ibid , 155 : 23
- Zolotov , Y. A. 1970 . “ Extraction of Chelate Compounds ” . London : Ann. Arbol-Humphrey .
- Roman , M. , Muñoz Leyva , J. A. and Vinagre Jara , F. 1980 . Microchem. J. , 25 : 443
- Ibid . 1981 . An. Quim. , 77 : 94
- 1982 . Microchem. J. , 27 : 265 Ibid
- 1982 . The Analyst , 107 : 781
- Pobinger , H. 1962 . Anal. Chem. , 34 : 878
- Yañez Sedeño , P , Cabrera Martin , A. and Gallego Andreu , R . 1985 . An. Quim. , 81 : 382
- Sinnema , Y. A. 1968 . Pharm. Weekbl. , 103 : 837
- Erdey , L. 1965 . “ Gravimetric Analysis ” . Vol. Part 2, 1st ed , London : Pergamon .