Золь-гель синтез монолітних шарів і їх застосування в тонкошаровій хроматографії
Recommendations for synthesis of thin monolithic layers of silica based sorbents are given. The drying conditions of monolithic sorbents and solvent for removing organic additives are selected. A construction for coating the reaction mixture onto a glass carrier and drying a monolithic layer is deve...
Збережено в:
| Дата: | 2010 |
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| Автори: | , , , |
| Формат: | Стаття |
| Мова: | Russian |
| Опубліковано: |
Chuiko Institute of Surface Chemistry National Academy of Sciences of Ukraine
2010
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| Онлайн доступ: | https://www.cpts.com.ua/index.php/cpts/article/view/59 |
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| Назва журналу: | Chemistry, Physics and Technology of Surface |
Репозитарії
Chemistry, Physics and Technology of Surface| Резюме: | Recommendations for synthesis of thin monolithic layers of silica based sorbents are given. The drying conditions of monolithic sorbents and solvent for removing organic additives are selected. A construction for coating the reaction mixture onto a glass carrier and drying a monolithic layer is developed which allows adjusting of sorbent layer thickness and solvent evaporation rate. It was found that sorption isotherm of malachite green on the monolithic sorbent relates to type I confirming predomination of nanosized pore in sorbent. The obtained plates with monolithic layer of silica provide fast separation of food dyes (curcumine, erythrosine, and brilliant green) mixture with use of mobile phase consisting of toluene and methanol. |
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