Known to all schoolboys (and girls). It's produced in tiny quantities by the yeast during fermentation. Racking the wine will usually get rid of it. If you find a bottle that smells slightly of it, try dropping a copper coin in the bottle or decanter. If you find a bottle that smells strongly of it, open another bottle.
A toxic compound, which has an unforgettable rotten egg odour. Produced in anaerobic pockets in the substrate.
A compound found in acid sulphate soils, which, when exposed to the air and water, produce sulphuric acid
A colourless inflammable gas, H S, having the characteristic odor of bad eggs, and found in many mineral springs. It is produced by the action of acids on metallic sulphides, and is an important chemical reagent.
If you notice a rotten egg smell, it means somebody has got things badly wrong during production or storage. So pour this particular wine down the drain.
a toxic decomposition gas found in wetlands, possessing a characteristic rotten egg smell
A strong-smelling soluble gas, H2S, resulting from anaerobic decomposition; commonly found in the hypolimnion or bottom mud. Also can be released from the sedimented organic material (faeces and waste feed) that accumulates beneath fish cages or oyster trestles at sites restricted with regard to currents and depth.
A naturally occurring, highly toxic gas with the odour of rotten eggs.
Gas emitted during organic decomposition. Also a by-product of oil refining and combustion. Smells like rotten eggs and, in heavy concentration, can kill or cause illness.
A toxic gas with an odour of rotten eggs at low concentrations. It can be lethal at concentrations greater than 15 ppm where it is odourless
H2S, the tell tale smell of rotten eggs. The identity of the other sulfides and mercaptans may not be known inconjuction with this compound. Indicates a lack of cleanliness and sterility during vinification.
A gaseous compound, H2S, of sulphur and hydrogen commonly found in petroleum which causes the foul smell of sour petroleum fractions. It is extremely poisonous and corrosive.
a foul smelling gas, a product of the reduction of organic sulphur by anaerobic organisms
A colorless, flammable, poisonous compound having a characteristic rotten-egg odor. About one third of the gas produced in Alberta contains H2S.