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Journal Articles

Electrode reaction of the U$$^{3+}$$/U couple at liquid Cd and Bi electrodes in LiCl-KCl eutectic melts

Shirai, Osamu; Uozumi, Koichi*; Iwai, Takashi; Arai, Yasuo

Analytical Sciences (CD-ROM), 17(Suppl.), p.959 - 962, 2002/03

no abstracts in English

Journal Articles

Attenuated Total Reflection Fourier Transform Infrared (ATR-FTIR) spectroscopy of functional groups of humic acid dissolving in aqueous solution

Tanaka, Tadao; Nagao, Seiya; Ogawa, Hiromichi

Analytical Sciences (CD-ROM), 17(Suppl.), p.1081 - 1084, 2002/03

Structural information of humic acid dissolving in aqueous solution has been studied by ATR-FTIR spectroscopy. Two types of humic acid fractions were prepared: one is dominated by aliphatic structure and another is dominated with aromatic structure. The functional groups of both fractions have been characterized with respect to their ATR-FTIR spectral structures (ATR spectra) measured in pH range of 2 - 10. The ATR spectra were compared with the infrared spectra of the freeze-dried humic acid fractions, which were obtained using transmission Fourier transform infrared spectroscopy with KBr pellet (KBr spectra) and using diffuse reflectance infrared Fourier transform spectroscopy (DRS spectra). In a comparison between spectra obtained from the three infrared spectroscopic methods, the major absorptions of the ATR spectra for both fractions are in well agreement with those of the KBr spectra and the DRS spectra, each other. These show that the functional groups of the humic acid dissolving in aqueous solution could characterize by using the ATR-FTIR spectroscopy.

Journal Articles

Fluorescence quenching studies of Eu-humic complexes by three-dimensional excitation emission matrix spectroscopy

Nagao, Seiya; Aoyama, Masakazu*; Watanabe, Akira*; Nakaguchi, Yuzuru*; Ogawa, Hiromichi

Analytical Sciences (CD-ROM), 17(Suppl.), p.1585 - 1588, 2002/03

no abstracts in English

Journal Articles

New field of actinides solution chemistry; Electrochemical study on actinide ion Transfer at the Interface of two immiscible electrolyte solutions

Kitatsuji, Yoshihiro; Yoshida, Zenko; Kudo, Hiroshi*; Kihara, Sorin*

Analytical Sciences (CD-ROM), 17(Suppl.), p.329 - 331, 2002/03

no abstracts in English

Journal Articles

Extraction of uranium(VI) and lanthanide(III) ions into supercritical carbon dioxide fluid containing $$beta$$-diketone and tributylphosphate

Meguro, Yoshihiro; Iso, Shuichi; Ogiyanagi, Jin; Yoshida, Zenko

Analytical Sciences (CD-ROM), 17(Suppl.), p.721 - 724, 2002/03

no abstracts in English

Journal Articles

Pressure dependence of supercritical carbon dioxide extraction equilibrium of palladium(II) with 2-Methyl-8-quinolinol

Ogiyanagi, Jin; Meguro, Yoshihiro; Yoshida, Zenko; Ohashi, Kozaburo*

Analytical Sciences (CD-ROM), 17(Suppl.), p.717 - 720, 2002/03

no abstracts in English

Journal Articles

Fabrication of $$beta$$-FeSi$$_{2}$$ thin films on Si(III) surface by solid phase epitaxy (SPE) analyzed by means of synchrotron radiation XPS (SR-XPS)

Saito, Takeru; Yamamoto, Hiroyuki; Asaoka, Hidehito; Haraguchi, Masaharu*; Imamura, Motoyasu*; Matsubayashi, Nobuyuki*; Tanaka, Tomoaki*; Shimada, Hiromichi*; Hojo, Kiichi

Analytical Sciences (CD-ROM), 17(Suppl.), p.1073 - 1076, 2002/03

no abstracts in English

Journal Articles

XAS and XPS combined analysis using high-resolution and high-flux soft X-ray from synchrotron radiation

Matsubayashi, Nobuyuki*; Tanaka, Tomoaki*; Imamura, Motoyasu*; Shimada, Hiromichi*; Saito, Takeru

Analytical Sciences (CD-ROM), 17(Suppl.), p.119 - 121, 2002/03

no abstracts in English

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