Posts
Arsenic in groundwater is a chemical and public-health problem shaped by geology, water chemistry and human exposure. It can enter aquifers naturally as…
Rivers draining the Himalaya carry more than snowmelt and monsoon water. They transport dissolved minerals, suspended sediments, nutrients, and trace elements…
Buffer solutions keep pH within a controlled range while enzymes, antibodies, metabolites, and other biomolecules react. A well-prepared buffer improves assay…
The Kathmandu Valley is surrounded by hills that can restrict air movement and trap pollution close to the ground. During dry winter mornings, vehicle exhaust,…
Nepal’s high-altitude valleys, mid-hill forests and subtropical plains produce aromatic plants with valuable volatile compounds. Oils from timur (Zanthoxylum…
Melting point determination is a simple, informative technique for checking the identity and purity of an organic compound. A small solid sample is heated in a…
Aflatoxins are potent fungal toxins that can develop in grains, nuts and other food commodities when storage conditions favour mould growth. They are produced…
Dr Sunita K. Sharma’s profile offers a useful way to understand how nanochemistry can influence modern drug delivery. The field sits between synthetic…
Vinegar is a familiar item in Australian kitchens, used for salad dressings, pickling, and household cleaning. The active ingredient, acetic acid, is regulated…
When a cotton shirt catches a spark, the difference between a small scorch and a spreading fire often comes down to chemistry invisible to the eye. Textile…