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rosin acid

См. также в других словарях:

  • Rosin — For other uses, see Rosin (disambiguation). A cake of rosin, made for use by violinists, used here for soldering . Rosin, also called colophony or Greek pitch (Pix græca), is a solid form of resin obtained from pines and some other plants, mostly …   Wikipedia

  • rosin ester — noun : an ester or mixture of esters of the acid components of rosin; especially : ester gum …   Useful english dictionary

  • Glycerol ester of wood rosin — Glycerol ester of wood rosin, glyceryl abietate, or Ester gum is a food additive used as an emulsifier and stabiliser, to keep oils in suspension in water. [ [http://www.inchem.org/documents/jecfa/jecmono/v35je05.htm WHO Food Additives Series 35 …   Wikipedia

  • Abietic acid — Chembox new Name = Abietic acid [cite web url=http://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=10569 title=ABIETIC ACID PubChem Public Chemical Database publisher=pubchem.ncbi.nlm.nih.gov accessdate=2008 05 16 last= first=] ImageFile =… …   Wikipedia

  • abietic acid — /ab ee et ik, ab /, Chem. a yellow, crystalline, water insoluble acid, C20H30O2, obtained from the resin of a species of pine: used chiefly in driers, varnishes, and soaps. Also called sylvic acid. [1860 65; < L abiet (s. of abies) fir + IC] * *… …   Universalium

  • Resin acid — Resin acids are protectants and wood preservatives that are produced by parenchymatous epithelial cells that surround the resin ducts in trees from temperate coniferous forests. The resin acids are formed when two and three carbon molecules… …   Wikipedia

  • disproportionated rosin — noun : a substance consisting essentially of dehydrogenated resin acids (as dehydro abietic acid) together with hydrogenated resin acids (as dihydro abietic acid) obtained by heating rosin or by treating it with acid and used chiefly in the form… …   Useful english dictionary

  • Pimaric acid — chembox new ImageFile=Pimaric acid.svg ImageSize=200px IUPACName=(1 R ,4a R ,4b S ,7 S ,10a R ) 1,4a,7 Trimethyl 7 vinyl 3,4,4b,5,6,9,10,10a octahydro 2 H phenanthrene 1 carboxylic acid OtherNames= Section1=Chembox Identifiers CASNo=… …   Wikipedia

  • abietic acid — |abē|ed.ik noun Etymology: International Scientific Vocabulary abiet , (from Latin abiet , abies silver fir) + ic : a colorless crystalline tricyclic acid C19H29COOH with two double bonds that constitutes the major component of rosin, that is… …   Useful english dictionary

  • Cannabis (hashish) rosin — is a solventless extract of cannabis (hashish). It is a byproduct produced by heating the hashish to vaporize the most volatile terpene components. It has a powdery to malleable consistency and varies in color from pale white to brown. It melts… …   Wikipedia

  • resin acid — noun : any of the acids (as abietic acid or pimaric acid) found free or in the form of esters in rosin, other natural resins, and tall oil and used chiefly in the form of salts (as sodium resinate or metallic soaps) …   Useful english dictionary

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