Hydroxymethylation of Melamine with Formaldehyde in Sodium Hydrogencarbonate-Sodium Carbonate Buffers
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- SATO Kenji
- Department of Industrial and Engineering Chemistry, Faculty of Science and Technology, Science University of Tokyo
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- KONAKAHARA Takeo
- Department of Industrial and Engineering Chemistry, Faculty of Science and Technology, Science University of Tokyo
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- WATANABE Yukio
- Department of Industrial and Engineering Chemistry, Faculty of Science and Technology, Science University of Tokyo
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- YOSHII Toshio
- Department of Industrial and Engineering Chemistry, Faculty of Science and Technology, Science University of Tokyo
Bibliographic Information
- Other Title
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- 炭酸水素ナトリウム‐炭酸ナトリウム緩衝溶液中におけるメラミンのホルムアルデヒドによるヒドロキシメチル化反応
- タンサン スイソ ナトリウム タンサン ナトリウム カンショウ ヨウエキチュウ
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Description
Hydroxymethylation of melamine with formaldehyde was investigated at 0°C by the use of aqueous buffers : [HCO31-] / [CO32-] =r=3/2 (pH 9.6) -1/9 (pH 10.7). This reaction was of general base catalysis, and the second order rate constant k given by the initial rate R0=k [melamine]0 [formaldehyde]0 was approximately given to be<BR>Here, k′ shows the rate constant in the unbuffered media, and A- is the basic constituent of the buffers. The relative contributions of the kA-and k′p-reactions were evaluated as a function of r by the use of the kA- and k′p values obtained.
Journal
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- KOBUNSHI RONBUNSHU
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KOBUNSHI RONBUNSHU 41 (10), 569-573, 1984
The Society of Polymer Science, Japan
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Details 詳細情報について
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- CRID
- 1390001206522582400
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- NII Article ID
- 130003836910
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- NII Book ID
- AN00085011
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- ISSN
- 18815685
- 03862186
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- NDL BIB ID
- 3008147
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed