Výsledky vyhledávání - "Toshitsugu Kobata"

Determination of cadmium by an improved double chamber electrothermal vaporization inductively coupled plasma atomic emission spectrometry

Autor: Akihiro Matsumoto, Hiroshi Uchihara, Bunji Hashimoto, Shusuke Osaki, Taketoshi Nakahara, Toshitsugu Kobata

Publikováno v: Microchemical Journal. 95:85-89

An improved double chamber electrothermal vaporization (ETV) system was designed. A new inner chamber and its bottom plate made of quartz glass were attached with carrier support gas inlet port for the determination of cadmium by inductively coupled

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d4eb2b231dc7c9e8b4a18e12066cc433
https://doi.org/10.1016/j.microc.2009.10.012

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Rapid Determination of Cadmium in Rice by Inductively Coupled Plasma Atomic Emission Spectrometry with a Double Chamber Electrothermal Vaporization System

Autor: Yuji Ohshita, Hiroshi Uchihara, Bunji Hashimoto, Shusuke Osaki, Tetsuji Yamamoto, Toshitsugu Kobata, Akihiro Matsumoto

Publikováno v: BUNSEKI KAGAKU. 59:411-414

In Japan the permitted maximum concentration of cadmium in whole-rice is regulated by the standard of the Food Sanitation Act. A typical method for the quantitative analysis of cadmium in whole-rice includes complicated and troublesome sample-prepara

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6239c0df82dcb49fddb935436bf7f525
https://doi.org/10.2116/bunsekikagaku.59.411

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Determination of Cadmium by Inductively Coupled Plasma Atomic Emission Spectrometry Using a Newly Designed Double Chamber Electrothermal Vaporization System

Autor: Tetsushi Yamamoto, Bunji Hashimoto, Hiroshi Uchihara, Shusuke Osaki, Akihiro Matsumoto, Yuji Ohshita, Toshitsugu Kobata

Publikováno v: BUNSEKI KAGAKU. 58:393-397

A new improved double-chamber electrothermal vaporization (ETV) system has been designed. An inner chamber made of quartz glass was attached with an inlet port to an inductively coupled plasma (ICP) torch. The inner chamber has an important role to i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c2f3e6aa74a2c8b45874f634b1f13dcd
https://doi.org/10.2116/bunsekikagaku.58.393

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Determination of Zinc by Electrothermal Atomization Atomic Absorption Spectrometry with Gas-Phase Sample Introduction Method

Autor: Hisaji Taniguchi, Taketoshi Nakahara, Toshitsugu Kobata, Akihiro Matsumoto

Publikováno v: BUNSEKI KAGAKU. 56:945-950

分析種を溶液マトリックスから揮発性化学種として分離することができる気相試料導入法を適用して，電気加熱原子吸光分析による亜鉛の定量を行った．気相試料導入法における還元剤�

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::91a0ac3b255768fc7e805cd7055d9cb6
https://doi.org/10.2116/bunsekikagaku.56.945

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Determination of cadmium in polyethylene by analytical atomic spectrometry with gas-phase sample introduction technique

Autor: Akihiro Matsumoto, Taketoshi Nakahara, Toshitsugu Kobata

Publikováno v: Microchemical Journal. 76:43-51

Cadmium in polyethylene was determined by both inductively coupled plasma atomic emission spectrometry (ICP-AES) and atomic absorption spectrometry (AAS) with continuous-flow gas-phase sample introduction in a reaction medium of ascorbic acid. In the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7c7418487f01d26528ada2640ab3a590
https://doi.org/10.1016/j.microc.2003.10.010

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Thin films of Cu(In,Ga)Se and ordered vacancy compound prepared by thermal crystallization and their photovoltaic applications

Autor: Toshitsugu Kobata, Toshiyuki Yamaguchi, Akira Yoshida, Shigetoshi Niiyama, Takashi Nakamura

Publikováno v: Solar Energy Materials and Solar Cells. 75:87-92

Thin films of Cu–In–Ga–Se alloy system with various composition were prepared by thermal crystallization from In/CuInGaSe/In precursor. Electron probe microanalysis and X-ray diffraction study revealed that these samples were assigned to chalco

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d1d282e87c550ee45d7aac60d72fd7b1
https://doi.org/10.1016/s0927-0248(02)00084-3

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Synthesis and Properties of Polymer-Supported Cyanoaromatic Compounds

Autor: Yoshito Sawada, Toshitsugu Kobata, Kazuhisa Nakanishi, Kazuhiko Mizuno, Yoshio Otsuji

Publikováno v: Chemistry Letters. 22:1349-1352

The photoreaction of a styrene/4-tributylstannylmethyl styrene (4:1) copolymer with di- and tetra-cyanoaromatic compounds in benzene-acetonitrile (1:1) gave polymers having cyanoaromatic functions in the side chain. These polymers were soluble in ben

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4af803b8dea5b9e21a7545735880604c
https://doi.org/10.1246/cl.1993.1349

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Photoinduced Electron-Transfer Reactions of Poly(4-trimethylsilylmethylstyrene) in the Presence of Polycyanobenzenes

Autor: Toshitsugu Kobata, Kazuhiko Mizuno, Ryouichi Maeda, Yoshio Otsuj

Publikováno v: Chemistry Letters. 19:1821-1824

The photoreactions of poly(4-trimethylsilylmethylstyrene) (2) with o-, m-, and p-dicyanobenzenes in benzene-acetonitrile (3:2) afforded insoluble polymers in high yields. On the other hand, the photoreaction of 2 with 1,2,4,5-tetracyanobenzene gave a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::111c826668e155acaaa43d036b0afb41
https://doi.org/10.1246/cl.1990.1821

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