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Chloride is a common dissolved ion in drinking water, groundwater, seawater, industrial effluent, food products and biological samples. Its concentration can…

Paper chromatography is a simple separation method for identifying amino acids in mixtures. It uses a sheet of porous paper, a solvent, and a visualising…

Organophosphate pesticides remain important in vegetable production because they can control aphids, caterpillars, thrips, fruit flies and other damaging…

Few areas of physical chemistry combine elegance and practical urgency as neatly as the study of hydrates. Compounds built around water of crystallisation…

Aspirin, chemically known as acetylsalicylic acid, contains a carboxylic acid group that reacts quantitatively with hydroxide ions. This makes a standardised…

Clouds can contain liquid water at temperatures well below freezing. This apparently unusual state is called supercooling: the droplets remain liquid because…

Bir Hospital's Toxicology Unit is hiring a Laboratory Technician to support routine and emergency analytical work in central Kathmandu. The unit sits within…

“Copper tetramine” usually refers to the intense-blue tetraamminecopper(II) complex, commonly written as [Cu(NH₃)₄]²⁺. Understanding how to synthesise this…

Across Australia, the sizzle of a weekend barbie leaves behind something most people never think about: the used cooking oil pooled in a container by the back…

Australians have a long love affair with the barbie. From a quick snag after Saturday sport to a slow-cooked lamb shoulder for family gatherings, grilling is…