Authors: Umetani, S Kawase, Y Le, QTH Matsui, M

Citation: S. Umetani et al., Acylpyrazolone derivatives of high selectivity for lanthanide metal ions: effect of the distance between the two donating oxygens, J CHEM S DA, (16), 2000, pp. 2787-2791

Authors: Fujino, O Umetani, S Ueno, E Shigeta, K Matsuda, T

Citation: O. Fujino et al., Determination of uranium and thorium in apatite minerals by inductively coupled plasma atomic emission spectrometry with solvent extraction separation into diisobutyl ketone, ANALYT CHIM, 420(1), 2000, pp. 65-71

Authors: Hojo, M Ueda, T Nishimura, M Hamada, H Matsui, M Umetani, S

Citation: M. Hojo et al., Aggregation of ions in higher permittivity solvents, J PHYS CH B, 103(42), 1999, pp. 8965-8972

Authors: Yamazaki, S Hanada, M Yanase, Y Fukumori, C Ogura, K Saeki, T Umetani, S

Citation: S. Yamazaki et al., A simple synthesis of novel extraction reagents. 4-acyl-5-pyrazolone-substituted crown ethers, J CHEM S P1, (6), 1999, pp. 693-696

Authors: Tsurubou, S Umetani, S Komatsu, Y

Citation: S. Tsurubou et al., Quantitative extraction separation systems of alkali and alkaline earth metal ions using cryptands as ion-size selective masking reagents, ANALYT CHIM, 394(2-3), 1999, pp. 317-324

Authors: Komatsu, Y Umetani, S Tsurubou, S Michiue, Y Sasaki, T

Citation: Y. Komatsu et al., Quantitative separation of alkaline earth metal ions by triple-phase separation method, CHEM LETT, (11), 1998, pp. 1167-1168