DOI: 10.1246/bcsj.46.2985. Acidic properties of Binary Metal Oxides

Acidic properties of Binary Metal Oxides

10.1246/bcsj.46.2985

Crossref journal-article

Oxford University Press (OUP)

Bulletin of the Chemical Society of Japan (286)

Abstract

Abstract Eighteen binary metal oxides consisting of TiO2–MmOn, ZnO–MmOn and Al2O3–MmOn (MmOn: metal oxide) were prepared by the usual co-precipitation method, their acid amounts and strengths being determined by n-butylamine titration using various acid-base indicators. The acid strengths of fourteen of the tested binary oxides of molar ratio 1 : 1 were found to be remarkably higher than those of the component single oxides. High acid strengths were as follows: H0≤−8.2 for TiO2–SiO2, H0≤−5.6 for TiO2–Al2O3 and Al2O3–ZrO2 and H0≤−3 for TiO2–CdO, TiO2–SnO2 and ZnO–SiO2. The acid amounts of sixteen binary oxides were larger than those of the component oxides. The effect of the composition of binary oxides on acidity was examined for TiO2–Al2O3, ZnO–Al2O3 and Al2O3–ZrO2. The acidity maxima appearing for TiO2–Al2O3 and ZnO–Al2O3 were found to be of molar ratio\simeq9:1 and for Al2O3–ZrO2\simeq3:2. A fairly good correlation has been demonstrated between the observed highest acid strengths and the average electronegativities of metal ions of binary oxides.

Bibliography

Shibata, K., Kiyoura, T., Kitagawa, J., Sumiyoshi, T., & Tanabe, K. (1973). Acidic properties of Binary Metal Oxides. Bulletin of the Chemical Society of Japan, 46(10), 2985â2988.

Authors 5

Katsue Shibata (first)
Tadamitsu Kiyoura (additional)
Jun Kitagawa (additional)
Takashi Sumiyoshi (additional)
Kozo Tanabe (additional)

References 13 Referenced 179

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10.1016/0021-9517(67)90274-6
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Dates

Type	When
Created	19 years, 1 month ago (July 19, 2006, 10:06 p.m.)
Deposited	1 year, 7 months ago (Jan. 17, 2024, 1:30 p.m.)
Indexed	2 months, 1 week ago (June 27, 2025, 3:45 p.m.)
Issued	51 years, 11 months ago (Oct. 1, 1973)
Published	51 years, 11 months ago (Oct. 1, 1973)
Published Online	19 years, 5 months ago (March 27, 2006)
Published Print	51 years, 11 months ago (Oct. 1, 1973)

Funders 0

None

BibTeX

@article{Shibata_1973, title={Acidic properties of Binary Metal Oxides}, volume={46}, ISSN={1348-0634}, url={http://dx.doi.org/10.1246/bcsj.46.2985}, DOI={10.1246/bcsj.46.2985}, number={10}, journal={Bulletin of the Chemical Society of Japan}, publisher={Oxford University Press (OUP)}, author={Shibata, Katsue and Kiyoura, Tadamitsu and Kitagawa, Jun and Sumiyoshi, Takashi and Tanabe, Kozo}, year={1973}, month=oct, pages={2985–2988} }

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