Using the Isopiestic Method to Study Hygroscopic Properties of Soluble Solutes; Journal of Solution Chemistry; Vol. 48, iss. 3

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Parent link:Journal of Solution Chemistry
Vol. 48, iss. 3.— 2019.— [P. 379-394]
Tác giả chính: Tereshchenko A. G. Anatoly Georgievich
Tác giả của công ty: Национальный исследовательский Томский политехнический университет Инженерная школа новых производственных технологий Научно-производственная лаборатория "Чистая вода"
Tóm tắt:Title screen
Hygroscopic properties of a soluble crystalline solid are determined by the water activity of the saturated solution that is present on the crystal surface of the substance. If the substance contains impurities, then they are also found in the saturated solution and affect the solution’s water activity and, consequently, the hygroscopic properties of the substance. The isopiestic method is used to determine water activities of solutions and, thus, is a universal and accurate technique for examining the hygroscopic properties of substances. This review paper considers the specific requirements for the isopiestic method when used to study the hygroscopicity of substances. Additionally, it provides recommendations with regard to the device and appropriate methods for the processing and presentation of research results. The effect of heterogeneous soluble impurities on the hygroscopic properties of solids was studied. It is demonstrated that isopiestic investigations of concentrated and saturated solutions can be applied to study the hygroscopic properties of pure solids, and to evaluate the effect of impurities on the hygroscopic properties of substances.
Режим доступа: по договору с организацией-держателем ресурса
Ngôn ngữ:Tiếng Anh
Được phát hành: 2019
Những chủ đề:
Truy cập trực tuyến:https://doi.org/10.1007/s10953-018-0840-y
Định dạng: Điện tử Chương của sách
KOHA link:https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=660187

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