Zobrazeno 1 - 10 of 12 pro vyhledávání: '"Yoshikazu Nakamoto"'
2
ZrCl4-TEA-EASC three-component catalyst for the oligomerization of ethylene: the role of organoaluminum co-catalysts and additives
Autor: Yoshikazu Nakamoto, Yasushi Shiraki, Yoshie Souma
Publikováno v: Journal of Molecular Catalysis A: Chemical. 187:283-294
The catalyst composed of zirconium tetrachloride (ZrCl), triethylaluminum (TEA: Et3Al), and ethylaluminum sesquichloride (EASC: Et2Al2Cl3) was studied for the oligomerization of ethylene. The coordinative interaction of various organoaluminums with Z
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3659ad4b7574bfaf738fd25fe55020be
https://doi.org/10.1016/s1381-1169(02)00275-3
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3
Rapid determination of arsenic in thermally cracked gasoline by graphite-furnace AAS
Autor: Yoshikazu Nakamoto
Publikováno v: BUNSEKI KAGAKU. 49:43-47
分解油中の鉛は芳香族製品を製造する装置の触媒毒となるため，その濃度管理は極めて重要である．そのため黒鉛炉原子吸光法による簡便で迅速な分解油中の鉛の直接定量法について検
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::76e7df7d94038c729fdf90d310efa6dd
https://doi.org/10.2116/bunsekikagaku.49.43
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4
Rapid determination of organic chlorine in petrochemical products by aluminium monochloride molecular-absorption spectrometry
Autor: Yoshikazu Nakamoto
Publikováno v: BUNSEKI KAGAKU. 49:881-885
石油化学製品に含まれる有機塩素化合物は製品の安定性に悪影響を及ぼすため,その濃度管理は重要である。そこで,一塩化アルミニウム分子吸光法を用いる石油化学製品中の有機塩素化
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::96c5999f818868352357363b360c19eb
https://doi.org/10.2116/bunsekikagaku.49.881
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5
Determination of the Total Inorganic and Ammoniacal Nitrogens in Water by Gas-Phase Molecular-Absorption Spectrometry
Autor: Toshio Tomiyama, Takahiro Kumamaru, Yoshikazu Nakamoto
Publikováno v: Analytical Sciences. 13:379-383
Based on a vapor-liquid equiribrium of ammonia, a simplified and rapid technique was developed for the determination of the total inorganic and ammoniacal nitrogens in aqueous solution. Ammonium ion was converted into gaseous ammonia by adding a sodi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8c7a481d61099cd440fd406b3b6bb672
https://doi.org/10.2116/analsci.13.379
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6
Highly sensitive determination of antimony and selenium in crude oils by oxygen-bomb combustion/ICP-MS
Autor: Toshio Tomiyama, Yoshikazu Nakamoto
Publikováno v: BUNSEKI KAGAKU. 46:665-668
原油中に含まれるアンチモンとセレンは石油精製の水添脱硫工程の触媒毒となるため,それらの含有量の把握は重要である。酸素ボンベ燃焼分解法とICP-MS法を組み合わせたそれらの高感度
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::01ab809ef48fc7fee7791856153598a3
https://doi.org/10.2116/bunsekikagaku.46.665
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8
Low Pressure Koch Reaction by Cu(CO)n+-H2SO4-H3PO4-H2O Catalyst(Part 6). Structural Analysis of By-products in the Low Pressure Koch Reaction of Branched Dodecenes
Autor: Tadashi Kato, Tadashi Yamada, Yoshikazu Nakamoto, Hiroshi Kawasaki
Publikováno v: Journal of The Japan Petroleum Institute. 37:536-542
Cu(CO)n+-H2SO4-H3PO4-H2O系触媒を用いる分岐ドデセンの低圧コッホ反応では, 触媒リサイクルを重ねるにしたがい, 触媒層中に抽出しにくい油分が蓄積して触媒の活性低下が起こる。この油分を
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::be93376d22876d80748e60a5c457c5d1
https://doi.org/10.1627/jpi1958.37.536
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9
Low Pressure Koch Reaction by Cu(CO)n+-H2SO4-H3PO4-H2O Catalyst(Part5). Structural Analysis of Branched tert-Tridecanoic Acids Obtained in the Low Pressure Koch Reaction of Branched Dodecenes
Autor: Tadashi Kato, Akira Yamamoto, Tadashi Yamada, Hiroshi Kawasaki, Yoshikazu Nakamoto
Publikováno v: Journal of The Japan Petroleum Institute. 37:529-535
Cu(CO)n+-H2SO4-H3PO4-H2O触媒を用いた2種の分岐ドデセン (2種のブテントリマー) の低圧コッホ反応における反応物の分岐ドデセンと生成物の分岐三級トリデカン酸の構造解析をGC-MSとNMRにより
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::23fd2e9ed202fa70163581741cb5358a
https://doi.org/10.1627/jpi1958.37.529
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10
Low Pressure Koch Reaction by Cu(CO)n+-H2SO4-H3PO4-H2O Catalyst(Part 7). 'Branch Index' of Branched tert-Carboxylic Acids Analyzed with 13C-NMR
Autor: Tadashi Yamada, Hiroshi Kawasaki, Tadashi Kato, Yoshikazu Nakamoto
Publikováno v: Journal of The Japan Petroleum Institute. 37:543-546
分岐三級ノナン酸および分岐三級トリデカン酸はCu(CO)n+-H2SO4-H3PO4-H2O系触媒を用いた分岐オクテン, 分岐ドデセンの低圧コッホ反応により製造される。著者らはアルキル分岐の指標「分岐
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::777d146712c8460a2354a3f031bf5ba2
https://doi.org/10.1627/jpi1958.37.543
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