CHEMISTRY GLOSSARY

Bordeaux mixture    →   bordoška juha

Bordeaux mixture is a mixture of copper(II) sulphate and calcium hydroxide in water, used as fungicide.

Butler-Volmer equation    →   Butler-Volmerova jednadžba

Butler-Volmer equation is an activation controlled reaction, the one for which the rate of reaction is controlled solely by the rate of the electrochemical charge transfer process, which is in turn an activation-controlled process. This gives rise to kinetics that are described by the Butler-Volmer equation:

where i_o is exchange current density, η is overpotential (η = E - E_o), n is number of electrons, α_A is anodic transfer coefficient, and α_C is cathodic transfer coefficient

cadmium coating    →   kadmiranje

Cadmium coating is a galvanic coating of metallic objects with a cadmium layer for corrosion resistance.

Californian soup    →   kalifornijska juha

Californian soup is a fungicide and insecticide chemical used for protection of plants, manufactured by boiling sulphur with slaked lime.

carbolineum    →   karbolineum

Carbolineum is a mixture of ingredients of pit coal tar with the boiling point above 270 °C, red-brown oil with tar smell. It is a wood preservative.

dysprosium    →   disprozij

Dysprosium was discovered by Paul Emile Lecoq de Boisbaudran (France) in 1886. The origin of the name comes from the Greek word dysprositos meaning hard to obtain. It is soft, lustrous, silvery metal. Reacts with oxygen. Reacts rapidly with water; dissolves in acids. Metal ignites and burns readily. Reductant. Dysprosium usually found with erbium, holmium and other rare earths in some minerals such as monazite sand. Dysprosium uses are limited to the experimental and esoteric. Some isotopes of dysprosium are effective absorbers of thermal neutrons and are being considered for use in the control rods in nuclear reactors.

Faraday cage    →   Faradayev kavez

Faraday cage is a container giving protection from electrical fields: an assembly of conducting material, for example, metal mesh or grid, placed around electrical equipment to protect it from external electrical fields. Faraday cages are named after the English scientist Michael Faraday (1791-1867).

melanin    →   melanin

Melanin is a skin pigment (substance that gives the skin its colour). Dark-skinned people have more melanin than light-skinned people.

nfpa    →   nfpa

NFPA is abbreviation for National Fire Protection Association.

rem    →   rem

Rem (rem) (roentgen equivalent man) is a non-SI unit of dose equivalent employed in radioprotection (rem = 10^-2 Sv).