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Takeda, Masayasu
Bunseki, 2021(11), p.611 - 615, 2021/11
no abstracts in English
Matsueda, Makoto; Takagai, Yoshitaka*
Bunseki, 2021(4), p.160 - 161, 2021/04
no abstracts in English
Mochizuki, Akihito
Bunseki, 2021(1), p.2 - 7, 2021/01
no abstracts in English
Komeda, Masao
Bunseki, 2019(10), p.459 - 461, 2019/10
no abstracts in English
Tomita, Jumpei
Bunseki, 2019(3), p.112 - 113, 2019/03
no abstracts in English
Esaka, Fumitaka
Bunseki, 2018(10), p.408 - 411, 2018/10
Recent development of analytical techniques for identification of particles containing nuclear materials, isotope ratio analysis of uranium and plutonium using mass spectrometry, and age determination is described in this paper. These techniques are successfully applied to the trace analysis for nuclear non-proliferation.
Mochizuki, Akihito
Bunseki, 2018(10), P. 461, 2018/10
no abstracts in English
Saeki, Morihisa*; Asai, Shiho; Oba, Hironori*
Bunseki, 2018(4), p.138 - 143, 2018/04
Platinum group metal (PGM) has attracted much attention in light of increasing demands in the industrial sector. A wide variety of techniques specialized for PGM separation, such as, solvent extraction, solid phase extraction, and molten salt electrolysis have been developed so far. Among such techniques, a newly developed separation technique based on laser-induced particulate formation can be a promising alternative to conventional ones. It enables non-contact and highly-selective separation with a simple operation. In this review, the research history and the basic mechanism of laser-induced particulate formation were outlined. Several applications were also mentioned, focusing on our latest research progress which achieved a world first quantitation of radioactive palladium in a spent nuclear fuel sample.
Haraga, Tomoko
Bunseki, 2016(2), P. 70, 2016/02
no abstracts in English
Okamoto, Yoshihiro; Yaita, Tsuyoshi
Bunseki, 2015(11), p.478 - 485, 2015/11
Utilization of synchrotron radiation based technique in the chemical analysis of environmental samples were reviewed. At first, the environmental samples were defined as follows, (1) elements contained in the samples are unknown, (2) chemical form of the elements are also unknown and (3) distribution of the chemical species are unknown. To elucidate these chemical state information, fluorescence X-ray analysis, fluorescence based XAFS and imaging XAFS technique were introduced by using some examples.
Kitatsuji, Yoshihiro
Bunseki, 2015(6), p.239 - 244, 2015/06
Electrochemical studies of ion transfer and charge transfer at liquid/liquid interface reported between 2012 and 2014 were surveyed. They were categorized by method of measurement. The merit of the method, improvement, species of application were described. Applied research such as analyses of redox inactive species, sensitive analyses based on adsorption at the interface and developments of new functional materials had been widely carried out.
Hattori, Takanori; Akutsu, Kazuhiro*; Suzuki, Junichi*
Bunseki, 2015(2), p.58 - 64, 2015/02
In the J-PARC MLF, 18 beamlines has been constructed and many studies on scientific and industrial use have been performed. This paper introduces the high-pressure science at high-pressure neutron diffractometer "PLANET" and surface/interface structure analysis at vertical sample geometry polarized neutron reflectometer "SHARAKU".
Akutsu, Kazuhiro*; Ohara, Takashi
Bunseki, 2014(11), p.617 - 621, 2014/11
no abstracts in English
Kureta, Masatoshi; Segawa, Mariko
Bunseki, 2014(6), p.283 - 289, 2014/06
The neutron visual sensing technology is a one of the visualization and measurement technology using the neutron beam. The technology visualizes the inside information on composite materials or machine parts, and also measures the significant physical quantities by analyzing the recorded visual image-data. In this paper, followings are introduced; (1) fundamentals, (2) applications, (3) leading-edge technology for the pulsed neutron source J-PARC, and (4) know-how on design and development for radiation use equipment.
Esaka, Fumitaka
Bunseki, 2014(2), p.76 - 77, 2014/02
Nuclear forensics needs analytical tools to reveal the origin of nuclear materials such as uranium and plutonium. Therefore, various techniques are developed for the analysis of impurity elements, isotope abundance ratios and age. In this paper, current status of the development is displayed and the importance of analytical chemistry for nuclear forensics is mentioned.
Aoyagi, Noboru; Saito, Takumi*; Kimura, Takaumi
Bunseki, 2013(9), p.536 - 542, 2013/09
no abstracts in English
Asai, Shiho
Bunseki, (462), p.316 - 321, 2013/06
no abstracts in English
Surugaya, Naoki
Bunseki, 2012(9), p.505 - 506, 2012/09
Duties for Certified Radiation Protection Supervisor to be necessary for experiments with radiation are explained as one of the qualifications relating to chemical analysis. Here, an outline of the information on the fundamental things and the examination is mainly given for the qualification.
Surugaya, Naoki
Bunseki, (451), p.386 - 393, 2012/07
This review describes the most recent progress based on about 100 publications from 2005 through 2012 concerning the analysis of nuclear materials such as uranium and plutonium of actinides. Analytical methodology with ICP-MS is remarkably utilized in combination with solid-phase extraction methods, and flow analysis is also getting popular to be effective for more environmental load reduction. On the other hand, certain progress in the method using classical techniques can be observed for precise and careful analysis. As a result, analytical methods for the determination of nuclear materials have been able to be chosen from wide range of techniques.
Tsuji, Aki
Bunseki, 2011(11), P. 673, 2011/11
no abstracts in English
