The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
In this short article, a novel method, the freeze–thaw procedure, was adopted for granulating nanosized silica colloids into free-flowing micron-sized particles. A considerable increase in tap density was observed. During the freezing process, the formation of ice was considered crucial for producing agglomerates. Therefore, when a different freezing procedure was used, agglomerates with different...
A simple freeze/thaw method to quickly test the ability of silica colloids against aggregation under different conditions is presented here. A solution of silica colloids, with size of about 50nm, was immersed in liquid nitrogen for 1min to force the aggregation of these colloids and then thawed at 60°C for 10min to room temperature. The dynamic light scattering (DLS) technique was used to measure...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.