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Journal Articles

Synthesis and characterization of nickel-copper hydroxide acetate, NiCu(OH)$$_{3.1}$$(OCOCH$$_{3}$$)$$_{0.9}$$ $$cdot$$ 0.9H$$_{2}$$O

Kozai, Naofumi; Mitamura, Hisayoshi; Fukuyama, Hiroyasu; Esaka, Fumitaka; Komarneni, S.*

Microporous and Mesoporous Materials, 89(1-3), p.123 - 131, 2006/03

https://doi.org/10.1016/j.micromeso.2005.10.015
 Times Cited Count：12 Percentile：39.90(Chemistry, Applied)

Layered transition metal hydroxide salt (LTMHS) is a group of anion-exchangeable layered compounds. Although LTMHSs have recentely attracted attention of researches on anion exchange and intercalation, very limited numbers of reports have been published on their synthesis, characteristics, and applications. This paper describes basic characteristics of a new LTMHS, nickel-copper hydroxide acetate. Hydrothermal Heating of an aqueous solution containing nickel acetate, copper acetate, and hydrogen peroxide to 150$$^{o}$$C for 4h yielded a layered compound with an analytical composition of NiCu(OH)$$_{3.1}$$(OCOCH$$_{3}$$)$$_{0.9}$$ 0.9H$$_{2}$$O. This compound does not take up Cl$$^{-}$$ and NO$$_{3}$$$$^{-}$$ in aqueous solution but takes up multivalent anions and shows high selectivity in uptake of toxic SeO$$_{3}$$$$^{2-}$$ and AsO$$_{4}$$$$^{3-}$$. This compound may find applicarion in the removal of those toxic anions form natural water and wastewater rich in Cl$$^{-}$$ and NO$$_{3}$$$$^{-}$$.

Journal Articles

Synthesis and characterization of copper hydroxide acetate with a layered discoid crystal

Kozai, Naofumi; Mitamura, Hisayoshi; Fukuyama, Hiroyasu; Esaka, Fumitaka; Komarneni, S.*

Journal of Materials Research, 20(11), p.2997 - 3003, 2005/11

Layered transition metal hydroxide salt (LTMHS) is a group of anion-exchangeable layered compounds. LTMHSs have lately attraced attention of researchs on anion exchange and intercalation but very limited numbers of reports have been published on their synthesis, characteristics, and application. This study reports basic properties of a layered copper hyroxide acetate synthesized by a method modified from that of the previous studies. Titration of copper acetate solution with a dilute NaOH solution to pH 6.5 and subsequent aging at 313 K yielded a layered copper hydroxide acetate. This compound has some properties similar to those of the previously known copper hydroxide acetate, Cu$$_{2}$$(OH)$$_{3}$$(OCOCH$$_{3}$$)H$$_{2}$$O. The present copper hydroxide acetate is dissimilar to the previous compound in morphology, stability of bonding between the interlayer acetate ions and the matrix hydroxides, and reaction with anions in aqueous solutions.

JAEA Reports

Alkali hydrolysis experiment of organic materials such as cement additives

Fukumoto, Masahiro; Nishikawa, Yoshiaki*

JNC TN8400 2001-017, 355 Pages, 2001/03

JNC-TN8400-2001-017.pdf:6.43MB

The alkali hydrolysis experiments which seem to be important from the view point of the alteration mechanism using the following seven organic materials was performed as a part of the evaluation of the influence on the disposal of the organic materials contained in the TRU wastes. As a result of the alkali hydrolysis experiments (90$$^{circ}$$C and 91d), each organic materials became those of lower molecular weight. The degradation products were able to be detected in the solution. The organic materials seem to be degraded to the organic matters which were confirmed in this study in a long term of disposal. The degradation products were shown below. Therefore, the evaluation of the influence on the migration of radionuclides by degradation products becomes important in the future. (1)Cement additives of Naphthalenesulfonic acid and Ligninsulfonic acid ($$rightarrow$$ Naphthalenedisulfonic acid etc.) (2)Cement additives of polycarboxylic acid ($$rightarrow$$ Oligomer of distal methoxypoly ethylene glycol.) (3)Ethylenediamine-N,N,N',N'-tetraacetic acid disodium salt ($$rightarrow$$ Acetic acid desorped and cyclized organic matters from EDTA.) (4)Tributyl phosphate ($$rightarrow$$ Dibutyl phthalate, n-butanol) (5)Poly vinyl acetate ($$rightarrow$$ Acetic acid) (6)Nylon66 ($$rightarrow$$ Adipic acid, Hexamethylenediamine) (7)Cured epoxy resin ($$rightarrow$$ Glycerol poly glycidyl ether, Carboxylic acid)

Journal Articles

Melting of portlandite up to 6GPa

Fukui, Hiroshi*; Otaka, Osamu*; Nagai, Takaya*; Katsura, Tomoo*; Funakoshi, Kenichi*; Utsumi, Wataru

Physics and Chemistry of Minerals, 27(6), p.367 - 370, 2000/06

https://doi.org/10.1007/s002699900065
 Times Cited Count：4 Percentile：20.93(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

Phase diagram of the neodymium chloride-sodium chloride system

Sato, Tadashi; Ogawa, Toru

J. Thermal Anal., 52, p.363 - 371, 1998/00

https://doi.org/10.1023/A:1010157809182
 Times Cited Count：7 Percentile：35.24(Thermodynamics)

no abstracts in English

JAEA Reports

None

Jo, Akinori*

PNC TJ6614 97-001, 30 Pages, 1997/03

PNC-TJ6614-97-001.pdf:0.69MB

None

JAEA Reports

None

PNC TJ1635 97-001, 3 Pages, 1997/03

PNC-TJ1635-97-001.pdf:7.49MB

no abstracts in English

Journal Articles

Development of high power 170GHz gyrotron for ITER

Sakamoto, Keishi; Kasugai, Atsushi; Tsuneoka, Masaki; Takahashi, Koji; ; Imai, Tsuyoshi; ; Hayashi, Kenichi*; Mitsunaka, Yoshika*; Hirata, Yosuke*; et al.

22nd International Conference on Infrared and Millimeter Waves Conference Digest, p.106 - 107, 1997/00

no abstracts in English

JAEA Reports

None

PNC TJ1635 95-001, 9 Pages, 1995/03

PNC-TJ1635-95-001.pdf:0.31MB

no abstracts in English

JAEA Reports

None

; Taki, Tomihiro

PNC TN6510 94-001, 19 Pages, 1994/09

PNC-TN6510-94-001.pdf:0.65MB

no abstracts in English

Journal Articles

Investigation of the Pu-U phase diagram

Okamoto, Yoshihiro; Maeda, Atsushi; ; Omichi, Toshihiko

Journal of Alloys and Compounds, 213-214, p.372 - 374, 1994/00

https://doi.org/10.1016/0925-8388(94)90935-0
 Times Cited Count：14 Percentile：69.69(Chemistry, Physical)

no abstracts in English

Journal Articles

Optical and thermal properties of suspensions of thermosensitive liquid-crystal

Akino, Norio

Dai-13-Kai Nihon Netsu Bussei Shimpojiumu Koen Rombunshu, p.273 - 276, 1992/00

no abstracts in English

JAEA Reports

Preparation of (Th,U)O$$_{2}$$ Keruels by a Sol-gel Process

;

JAERI-M 85-127, 36 Pages, 1985/09

JAERI-M-85-127.pdf:1.28MB

no abstracts in English

Journal Articles

The culture method of human peripheral lymphocytes treated with an anticoagulant,EDTA-2K

Hoken Butsuri, 18, p.319 - 326, 1983/00

https://doi.org/10.5453/jhps.18.319

no abstracts in English

Journal Articles

Precipitation of thorium or uranium(VI)complex ion with cobalt(III)or chromium(III)complex cation, 5; Precipitation of uranium(VI)malato and edta complex ion

;

Journal of Nuclear Science and Technology, 17(5), p.370 - 376, 1980/00

https://doi.org/10.3327/jnst.17.370
 Times Cited Count：1 Percentile：22.35(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Liquid-liquid extraction of the EDTA complexes of lanthanides with a quaternary ammonium salt

;

Analytica Chimica Acta, 96, p.211 - 214, 1978/00

https://doi.org/10.1016/S0003-2670(01)93418-X
 Times Cited Count：0

no abstracts in English

JAEA Reports

Studies of Closed-Cycle Processes for Hydrogen Production,I; Progress Report for the F.Y.1974

; Nakajima, Hayato; Ikezoe, Yasumasa; ; Shimizu, Saburo

JAERI-M 6139, 35 Pages, 1975/05

JAERI-M-6139.pdf:1.08MB

no abstracts in English

Journal Articles

Analysis of DTA curve using transfer function

Trans.Faraday Soc., 62(523), p.1885 - 1889, 1966/00

no abstracts in English

Oral presentation

Oxidation behavior of UCl$$_{3}$$ in LiCl-KCl eutectic salt under Ar-O$$_{2}$$ atmosphere

Sugihara, Hideyuki; Sakamura, Yoshiharu*; Murakami, Tsuyoshi*; Nakayoshi, Akira

no journal, , 

Oral presentation

Investigation of platinum group compounds generated in the vitrification process, 2; Change of chemical form of generated palladium compounds

Nagai, Takayuki; Okamoto, Yoshihiro; Shiwaku, Hideaki; Akiyama, Daisuke*; Sato, Nobuaki*

no journal, , 

PdO reacts to NaNO$$_{3}$$ and rare earth nitrates and Pd compounds is generated in a vitrification process. The reduction behavior of Pd(NO$$_{3}$$)$$_{2}$$, the synthesis of Pd compounds with Pd(NO$$_{3}$$)$$_{2}$$ and rare earth nitrates at high temperature and chemical reaction of Pd compounds in a molten borosilicate glass were confirmed in this study.

Oral presentation

Fundamental research on thermal decomposition behavior of sodium hydride

Kawaguchi, Munemichi

no journal, , 

This study presents the fundamental research on the thermal decomposition behavior of sodium hydride (NaH) in FY2021. This study on the thermal decomposition behavior of NaH was carried out using TG-DTA and FT-IR for the decommissioning of the cold trap in Monju. Due to the weak ionic bonding of Na-H in NaH, the hydrogen is enable to move easily at close to 565K. Upon further heating, the hydrogen desorbs by the thermal decomposition. A simple model using each kinetic rate equations ($$k_1$$, $$k_2$$, $$k_3$$) can give us the quantitative evaluation of the thermal decomposition behavior of NaH, which tended to overestimated the Na evaporation.

21 (Records 1-20 displayed on this page)