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Dichloromethane (DCM, methylene chloride, or methylene bichloride) is an organochlorine compound with the formula C H 2 Cl 2. This colorless, volatile liquid with a chloroform-like, sweet odor is widely used as a solvent. Although it is not miscible with water, it is slightly polar, and miscible with many organic solvents. [12]
The most important is dichloromethane, which is mainly used as a solvent. Chloromethane is a precursor to chlorosilanes and silicones . Historically significant (as an anaesthetic), but smaller in scale is chloroform, mainly a precursor to chlorodifluoromethane (CHClF 2 ) and tetrafluoroethene which is used in the manufacture of Teflon.
Ancylobacter dichloromethanicus is an aerobic, Gram-negative bacteria from the family of Xanthobacteraceae which has been isolated from dichloromethane contaminated soil in Volgograd in Russia. [ 1 ] [ 4 ] [ 3 ] [ 5 ] Ancylobacter dichloromethanicus can use dichloromethane , methanol , formate and formaldehyde for its metabolism.
Soil sterilant and fumigant, currently being phased out. It strongly depletes the ozone layer and is highly toxic. CH 3 Br: Dibromomethane: Methylene bromide Solvent and chemical intermediate. CH 2 Br 2: Tribromomethane Bromoform: For separation of heavy minerals CHBr 3: Bromochloromethane: Halon 1011 Formerly in fire extinguishers CH 2 BrCl ...
Nutrients in the soil are taken up by the plant through its roots, and in particular its root hairs.To be taken up by a plant, a nutrient element must be located near the root surface; however, the supply of nutrients in contact with the root is rapidly depleted within a distance of ca. 2 mm. [14] There are three basic mechanisms whereby nutrient ions dissolved in the soil solution are brought ...
The benefits of SOM result from several complex, interactive, edaphic factors; a non-exhaustive list of these benefits to soil function includes improvement of soil structure, aggregation, water retention, soil biodiversity, absorption and retention of pollutants, buffering capacity, and the cycling and storage of plant nutrients.
The values presented below are from Annex 1, Table 1, "Groundwater target values and soil and groundwater intervention values". In previous versions of the Dutch Standards, target values for soil were also present. However, in the 2009 version, target values for soils have been deleted for all compounds except metals.
Dichloromethane (data page) 1 language. ... for this chemical from a reliable source and follow its directions. Baker; Structure and properties ...
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