Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Fumikazu Kawamura"'
Publikováno v:
BUNSEKI KAGAKU. 27:287-291
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e23b1522cb6775289cd960df7e91c4ec
https://doi.org/10.2116/bunsekikagaku.27.5_287
https://doi.org/10.2116/bunsekikagaku.27.5_287
Publikováno v:
Analytica Chimica Acta. 157:207-210
Vanadium(V) is quantitatively precipitated from aqueous solution with 4-caprinoyl-3-methyl-1-phenyl-5-pyrazolone at pH 1, and collected as a film on a membrane for x-ray fluorescence spectrometry. The limit of detection is ca. 2 μg of vanadium. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::06be711d049746e94d45fc7a8efdfa7d
https://doi.org/10.1016/s0003-2670(00)83625-9
https://doi.org/10.1016/s0003-2670(00)83625-9
Autor:
Hiroshi Namiki, Fumikazu Kawamura
Publikováno v:
BUNSEKI KAGAKU. 7:238-242
塩化第一錫を還元剤として使用するモリブデン青法による燐酸根の定量法を検討した.硫酸およびモリブデン酸アンモニウムの濃度の如何は発色にいちじるしい影響をあたえることを認め
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::51f87f0106fbfbbd15a4663f28d0af1a
https://doi.org/10.2116/bunsekikagaku.7.238
https://doi.org/10.2116/bunsekikagaku.7.238
Autor:
Fumikazu KAWAMURA
Publikováno v:
NIPPON KAGAKU KAISHI. 53:783-787
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::da650d4a462b8b279fa0d7506a3920cb
https://doi.org/10.1246/nikkashi1921.53.783
https://doi.org/10.1246/nikkashi1921.53.783
Autor:
Fumikazu Kawamura
Publikováno v:
NIPPON KAGAKU KAISHI. 55:849-857
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f65171aa3cf08fb85d9a2ea7eed3b733
https://doi.org/10.1246/nikkashi1921.55.9_849
https://doi.org/10.1246/nikkashi1921.55.9_849
Autor:
Hiroshi Namiki, Fumikazu Kawamura
Publikováno v:
BUNSEKI KAGAKU. 5:505-508
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bb5a64606d57f8d0eca0a0345c9bf363
https://doi.org/10.2116/bunsekikagaku.5.505
https://doi.org/10.2116/bunsekikagaku.5.505
Publikováno v:
BUNSEKI KAGAKU. 3:29-32
A rapid microdetermination of salicylic acid by coulometric titration using electrolytically generated bromine and cuprous ion was studied. A satisfactory result was found to be obtained with a simple constant current source and an amperometric indic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::93548a015644fdf86681a05af6a23086
https://doi.org/10.2116/bunsekikagaku.3.29
https://doi.org/10.2116/bunsekikagaku.3.29
Autor:
Hiroshi Namiki, Fumikazu Kawamura
Publikováno v:
BUNSEKI KAGAKU. 7:691-695
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5860867c49325821b5d9e08ee7629218
https://doi.org/10.2116/bunsekikagaku.7.691
https://doi.org/10.2116/bunsekikagaku.7.691
Publikováno v:
The Journal of the Society of Chemical Industry, Japan. 62:629-631
張する目的で,クーロン滴定法によるアスコルビン酸の微量定量を行い,実験条件に検討を加えた。ヨウ素,臭素のいずれを用いてもpH3～5の滴定液中で滴定操作を行えば良好な結果が得られ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dcf8b893d64b4f2e61baf921b20becc6
https://doi.org/10.1246/nikkashi1898.62.5_629
https://doi.org/10.1246/nikkashi1898.62.5_629
Publikováno v:
Fresenius' Zeitschrift für analytische Chemie. 310:429-430
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7d9c9029f8c5ec9577ef87fc950608b9
https://doi.org/10.1007/bf00483021
https://doi.org/10.1007/bf00483021