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Creation of hollow SAPO-34 single crystals via alkaline or acid etching

Yuyan Qiao1, Miao Yang2, Beibei Gao1

  • 1National Engineering Laboratory for Methanol to Olefins, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, P. R. China. tianpeng@dicp.ac.cn liuzm@dicp.ac.cn and University of Chinese Academy of Sciences, Beijing 100049, P. R. China.

Chemical Communications (Cambridge, England)
|April 5, 2016
PubMed

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Esters to Carboxylic Acids: Saponification01:25

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Esters can be hydrolyzed to carboxylic acids under acidic or basic conditions. Base-promoted hydrolysis of esters is a nucleophilic acyl substitution reaction in which esters react with an aqueous base, followed by an acid to give carboxylic acids. This reaction is also known as saponification because it forms the basis for making soaps from fats.
The reaction requires a base in stoichiometric amounts, which participates in the reaction and is not regenerated later. So, the base acts as a...