Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Kimie Izawa"'
Publikováno v:
BUNSEKI KAGAKU. 35:916-919
黒鉛粉末を白煙発生過鹿素酸中過ヨウ素酸で酸化分解し,還元蒸留後,エチレンブルーとして硫黄を吸光光度定量する方法を開発した.黒鉛1gは3時間で分解し,2ppm以上の硫黄が定量できる.こ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fb8f9f8d21a93012a5b6b1bdf05bc713
https://doi.org/10.2116/bunsekikagaku.35.11_916
https://doi.org/10.2116/bunsekikagaku.35.11_916
Publikováno v:
BUNSEKI KAGAKU. 35:911-915
黒鉛を乾式法で酸化分解した残分(灰分)から不純物元素を定量する従来法は灰化過程で汚染や損失を招くとの見地から,湿式酸化分解法を開発した.黒鉛粉末1gは,200℃に加熱した過塩素酸中
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::50f3e8cc058c187b670230518953d074
https://doi.org/10.2116/bunsekikagaku.35.11_911
https://doi.org/10.2116/bunsekikagaku.35.11_911
Publikováno v:
BUNSEKI KAGAKU. 33:11-15
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3dce5fc37e7d29373dce5aa3da5fe56d
https://doi.org/10.2116/bunsekikagaku.33.11
https://doi.org/10.2116/bunsekikagaku.33.11
Publikováno v:
Bulletin of the Chemical Society of Japan. 57:1487-1490
The distribution coefficients, Kd, of eighteen hard acid-metal ions for a strongly basic anion-exchange resin were determined in HF–H3BO3 media in the presence of Cl− or NO3−, SO42−, and ClO4−, and the relation between the adsorbabilities o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::98ba9793ba791c15ced8a706ea3ae59d
https://doi.org/10.1246/bcsj.57.1487
https://doi.org/10.1246/bcsj.57.1487
Publikováno v:
BUNSEKI KAGAKU. 35:920-925
黒鉛中の不純物元素の実態を知るため,4か国11銘柄の黒鉛材(100kg～3.3t)から切り出した23ブロック試料を精密に分析した.分析用粉末試料(各約100g)は,ブロック試料(各約1kg)を炭化タングステ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d7fd3426b7ecc602ed5a9b4081da30d9
https://doi.org/10.2116/bunsekikagaku.35.11_920
https://doi.org/10.2116/bunsekikagaku.35.11_920
Autor:
Sorin Kihara, Kimie Izawa, Hiroshi Muto, Takeo Adachi, Hisao Aoyagi, Hideyo Takeishi, Zenko Yoshida, Hiroshi. Kawamura
Publikováno v:
Analytical Chemistry. 58:458-462
Applicability of a chemical method to the determination of O/U ratio in irradiated uranium dioxide, UO/sub 2+x/, was investigated. A sample piece was taken from the irradiated UO/sub 2+x/ pellet with a diamond cutter and dissolved in strong phosphori
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5c78b6064717ca9b299367ab2b1419bd
https://doi.org/10.1021/ac00293a043
https://doi.org/10.1021/ac00293a043
Publikováno v:
Mikrochimica Acta. 62:329-338
Procedures have been developed for the determination of less than 1 ppm of chlorine in sodium. An amalgamation or a vacuum distillation technique is used for the separation of chloride from 3–5 g of sodium. After the separation, the residue is diss
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::32eac9a00823627e289c06fb02f171af
https://doi.org/10.1007/bf01219695
https://doi.org/10.1007/bf01219695
Publikováno v:
BUNSEKI KAGAKU. 11:47-51
ウランを一定量のフッ素イオン(ウラン1gにつき0.25g F-)でマスクし,pH3.0～5.5からモリブデンをオキシン錯塩としてクロロホルムで抽出する.抽出溶液は0.1Mシュウ酸(pH1)溶液とふりまぜて洗浄
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::37210f7a68cbdbb611b7a738ec6da21d
https://doi.org/10.2116/bunsekikagaku.11.47
https://doi.org/10.2116/bunsekikagaku.11.47
Publikováno v:
Journal of Nuclear Science and Technology. 4:482-487
A simple method for determining HF and U(VI) in a hydrolyzed solution of UF6 by alkalimetry is described. About 1 g of UF6 was taken in a polytrifluoromonochloroethylene tube, and hydrolyzed with about 50 ml of water in a closed polyethylene bottle.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8c992766981b419f377f6f3f738eff0a
https://doi.org/10.1080/18811248.1967.9732791
https://doi.org/10.1080/18811248.1967.9732791
Publikováno v:
BUNSEKI KAGAKU. 21:860-867
ナトリウム中の酸素のアマルガム分離-滴定法についてから試験を主に検討を行なった.操作条件をできるだけ一定にして行なったから試験値を標準とし,これと条件を一つだけ変えて行な
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2b72b246b58a489881ede1c8491dad05
https://doi.org/10.2116/bunsekikagaku.21.860
https://doi.org/10.2116/bunsekikagaku.21.860