Search results

...and other organic matter in swamps and marshes. Methane forms an explosive mixture with air. Methane is used commercially as a fuel, in the production of carb marsh gas; methyl hydride; swamp gas; natural gas; fire damp

[[File:GC_MS_HPLC.jpg|thumb|Gas chromatograph]] ...fter chemical modifications, such as silylation. Alternatively, Pyrolysis Gas Chromatogrpahy (Py-GC) has a specially heated sample inlet that can thermal

...th century for heating and lighting. By 1890, it was replaced with natural gas. In recent years, this method has been used to convert waste products to en ...gas; syngas; dřevoplyn (Ces.); traegas (Dan.); Holzvergasung (Deut.); Gasógeno (Esp.); Gazogène (Fr.); Gassogeno (It.); Gengass (Nor.); Gengas (Sve

...alumina]] and [[potassium permanganate]]. It absorbs and oxidizes organic gas phase contaminants, such as [[formaldehyde]] and [[acetic acid]].

...ichlorodifluoromethane|dichlorodifluoromethane]]. Oxyfume is a colorless, gas with an ether-like odor. It is used for sterilizing medical instruments an

An old name for a commercial mixture containing [[stearic%20acid|stearic acid]] mixed with 3 to 30% [[palmitic%2 * R.White "The Application of Gas-Chromatography to the Identification of Waxes", ''Studies in Conservation''

...nzaldehyde (5%) and diphenyl amine (5%) in ethanol. A paper soaked in this mixture then dried will turn from yellow to deep orange in the presence of less tha

An odorless, colorless, tasteless, and highly poisonous gas. Carbon monoxide is produced by the incomplete combustion of carbon contain ...ion. Good ventilation should always be used with furnaces, kilns, stoves, gas engines and space heaters.

...sture from the air. It is used in air refreshing systems in submarines and gas masks. Often a moisture indicator, such as ethyl violet, is added to the co

...orine gas on slaked lime which resulted in an impure [[lime, chlorinated]] mixture containing calcium hypochlorite and calcium chloride. Bleaching powder was

A liquid mixture of light hydrocarbons obtained from crude [[petroleum]]. Gasoline, also cal * volatiles (<40C) =propane, butane, LPG (liquefied petroleum gas), petroleum ether.

...that uses a liquid mobile phase to transport and individual compounds in a mixture. High-performance liquid chromatography (HPLC) uses a mechanical pump to pa ...in the separation of compounds that are too nonvolatile to be separated by gas chromatography. In the cultural heritage area, HPLC is used for the identif

A liquid mixture of light hydrocarbons obtained from crude petroleum. [[Gasoline]], or [[nap * volatiles (<40C) = [[propane]], [[butane]], LPG (liquefied petroleum gas), petroleum ether

...|sulfur]] and sea salt ([[potassium%20chloride|potassium chloride]]). This mixture is sealed in small, [[polyethylene|polyethylene]] bags that are permeable t

...hollet. In 1799, the Scottish scientist, Charles Tennant, introduced a dry mixture chlorine and [[slaked lime]] called [[bleaching powder]]. It was the primar * Chlorine bleaches will release highly toxic chlorine gas when mixed with acids, ammonia or when heated.

...at, and [[lignite|lignite]] as well as by the partial oxidation of natural gas hydrocarbons. Methanol is highly polar and is usually a better solvent than * Dangerous fire risk. Forms an explosive mixture with air.

...pe of [[fiberboard]]. common name for an engineered wood product made from mixture of fine wood fibers and resin bonded together then compressed into panels w ...ate, and sleepiness. Health risks associated with exposure to formaldehyde gas: eye and respiratory irritation, respiratory difficulty .

...nts]], slip agent and [[Filler|fillers]] (Williams 2019). Once the correct mixture is obtained,, the plastic can extruded, cast, molded or blown to create a v * Gas barrier, for anoxic treatments

...lks, carpets, etc. normally makes one think that the material does not off-gas. This is not technically correct in the United States. The Environmental | can spray but mixture must be correct or get clumps; softer cure, does not dry completely but pas