Chemical gardens represent a fascinating class of self-organised structures that emerge when metal salts interact with anions in solution, most commonly silicates, leading to the formation of ...

1. The quantitative precipitin technique described by Boyden and Baier (1929) has been successfully employed in a quantitative study of some factors affecting the precipitin reaction. 2. The relations ...

A simple demonstration of how a precipitate is evidence of a chemical reaction taking place is performed by mixing solutions of calcium chloride and sodium carbonate to form the precipitate calcium ...

Pollen not only plays a role in allergies, but also influences the local weather. Especially in spring, when large amounts are released, it contributes to the formation of ice in clouds, which can ...