Ion-exchange properties of High Pressure High Temperature synthetic diamondстатья
Информация о цитировании статьи получена из
Web of Science ,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 21 августа 2017 г.
Авторы:
Peristyy A. ,
Koreshkova A.N. ,
Paull B. ,
Nesterenko P.N.
Журнал:
Diamond and Related Materials
Том:
75
Год издания:
2017
Издательство:
Elsevier BV
Местоположение издательства:
Netherlands
Первая страница:
131
Последняя страница:
139
DOI:
10.1016/j.diamond.2017.02.022
Аннотация:
The adsorption and chromatographic properties of microparticulated diamond (1–2 μm and 4–6 μm fractions) from high pressure and high temperature synthesis (HPHT diamond) are investigated, with a focus on their cation-exchange capacity. Several adsorbents were prepared, either by wet oxidation of the surface of HPHT with H2O2/H2SO4or HNO3/H2SO4 mixtures, or by oxidation in air at 700 °C, or following a four-step reduction using LiAlH4 and n-butyllithium. The zeta-potential profiles as a function of pH and ion-exchange capacities were measured for the prepared adsorbents as well as isotherms of adsorption. The ion-exchange selectivity of oxidised HPHT diamond was studied towards alkali, alkaline-earth and transition metal cations. © 2017 Elsevier B.V.
Добавил в систему:
Нестеренко Павел Николаевич