{"title":"酸的自动催化最好是热的：作为热化学时钟的氯酸盐-亚硫酸盐-葡萄糖醇内酯系统","authors":"Ronny Kürsteiner, Dr. Guido Panzarasa","doi":"10.1002/syst.202200042","DOIUrl":null,"url":null,"abstract":"<p>The autonomous activation of acid-autocatalyzed sulfite–halogenate (iodate, bromate, chlorate) reactions is programmed using slow acid generators (δ-gluconolactone GL, and 1,3-propanesultone PrS). A remarkable correlation is found between the pH- and temperature-time profiles, especially for the chlorate–sulfite–GL system. Further optimization of the latter resulted in a chemical system able to generate sudden temperature and pH changes after a tailorable induction time, that is a “thermochemical clock”.</p>","PeriodicalId":72566,"journal":{"name":"ChemSystemsChem","volume":"5 3","pages":""},"PeriodicalIF":3.1000,"publicationDate":"2023-01-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/syst.202200042","citationCount":"0","resultStr":"{\"title\":\"Acid Autocatalysis Best Served Hot: The Chlorate–Sulfite–Gluconolactone System as a Thermochemical Clock\",\"authors\":\"Ronny Kürsteiner, Dr. Guido Panzarasa\",\"doi\":\"10.1002/syst.202200042\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>The autonomous activation of acid-autocatalyzed sulfite–halogenate (iodate, bromate, chlorate) reactions is programmed using slow acid generators (δ-gluconolactone GL, and 1,3-propanesultone PrS). A remarkable correlation is found between the pH- and temperature-time profiles, especially for the chlorate–sulfite–GL system. Further optimization of the latter resulted in a chemical system able to generate sudden temperature and pH changes after a tailorable induction time, that is a “thermochemical clock”.</p>\",\"PeriodicalId\":72566,\"journal\":{\"name\":\"ChemSystemsChem\",\"volume\":\"5 3\",\"pages\":\"\"},\"PeriodicalIF\":3.1000,\"publicationDate\":\"2023-01-10\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://onlinelibrary.wiley.com/doi/epdf/10.1002/syst.202200042\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"ChemSystemsChem\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://onlinelibrary.wiley.com/doi/10.1002/syst.202200042\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"CHEMISTRY, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"ChemSystemsChem","FirstCategoryId":"1085","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1002/syst.202200042","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}
Acid Autocatalysis Best Served Hot: The Chlorate–Sulfite–Gluconolactone System as a Thermochemical Clock
The autonomous activation of acid-autocatalyzed sulfite–halogenate (iodate, bromate, chlorate) reactions is programmed using slow acid generators (δ-gluconolactone GL, and 1,3-propanesultone PrS). A remarkable correlation is found between the pH- and temperature-time profiles, especially for the chlorate–sulfite–GL system. Further optimization of the latter resulted in a chemical system able to generate sudden temperature and pH changes after a tailorable induction time, that is a “thermochemical clock”.
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