Kipp's apparatus
Videos
Kipp's apparatus, also called a Kipp generator, is an apparatus designed for preparation of small volumes of gases. It was invented around 1844 by the Dutch pharmacist Petrus Jacobus Kipp and widely u
Empty Kipp's apparatus, with stopcock and fermentation lock.
Drawing of a filled Kipp's apparatus.
Hydrogen sulfide
Videos
Hydrogen sulfide or hydrogen sulphide is a chemical compound with the formula H2S. It is a colorless, toxic, and flammable hydrogen chalcogenide gas. Trace amounts in the ambient atmosphere have a cha
Kipp's apparatus
…Carbon dioxide from pieces of marble (calcium carbonate) and hydrochloric acid Hydrogen sulfide from iron(II) sulfide and hydrochloric acid Acetylene from calcium carbide and water…
Deposit of sulfur on a rock, caused by volcanic gas
A drained pond, showing the layer of sludge on the bottom; its black colour is due to the presence of metal sulfides, the result of reactions with hydrogen sulfide produced by bacteria.
A hydrogen sulfide bloom (green) stretching for about 150 km (93 mi) along the coast of Namibia. As oxygen-poor water reaches the coast, bacteria in the organic-matter rich sediment produce hydrogen sulfide, which is toxic to fish.