Dealing with effluent may not be a favourite activity for technologists but it is an essential one. Effluents from mills and refineries are not generally toxic; the main organic constituents […]

The word “chromatography” comes from the Greek “chromos”, colour and “graphein”, to write. It describes a group of similar separation techniques depending on how fast a substance moves in a […]

“Although silicon (Si) is one of the most abundant elements found in the earth’s crust, it is mostly inert, and only slightly soluble and available to plants. With the exception […]