Razvijena je i validirana HPLC metoda za određivanje policikličkih aromatskih ugljikovodika (PAH) u jestivom ulju izoliranih na DACC (eng. donor-acceptor. Kad se aromatski ugljikovodici zagrijavaju s klorom (ili bromom) u prisutnosti željeza, dolazi do supstitucije vodika na jezgri, uz razvijanje halogenovodične. aromatski ugljikovodici translation in Bosnian-Kannada dictionary.
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Alkynes acetylenes are acyclic branched or unbranched afomatski having one or more triple carbon-carbon bond. Like alkenes, alkynes undergo addition reaction. The most important of these are: Image Gallery Analytical chemistry Crystal systems Electrodes and cells Graphs and tables Hazard labels Laboratory apparatus Laboratory glassware Molecular geometry Structural formulas.
They have C n H 2 n general formula e. The simplest are compounds such as tetrachloromethane CCl 4tetrabromomethane CBr 4etc. The lower members of the series are gases; the high-molecular mass alkanes are waxy solid.
Halogeniranje – Wikipedija
Alkenes that have only one double bond form a homologous series: Halocarbon is a compound containing no elements other ugljikvodici carbon, one or more halogens, and sometimes hydrogen. They form haloalkanes with halogens when irradiated with ultraviolet radiation. Historical use of the term implies a ring containing only carbon e. When polymerized, they yield plastics characterized by extreme chemical resistance, high electrical resistivity, and good heat resistance.
CHEMISTRY GLOSSARY
The most important of these are:. The lower members wromatski the various homologous series are used as refrigerants, propellant gases, fireextinguishing agents, and blowing agents for urethane foams.
Alkanes are present in natural gas and petroleum.
Alkenes typically undergo addition reactions to the double bond. In the systematic chemical nomenclature, alkene names end igljikovodici the suffix -ene. In the systematic chemical nomenclature alkane names end in the suffix -ane.
Unsaturated fatty acid is a fatty acid whose carbon chain can absorb additional hydrogen atoms. Acetylene ethyne is a colourless unstable gas, C 2 H 2with a characteristic sweet odour.
Halogeniranje – Wikipedija
Aromatic compounds are a major group of unsaturated cyclic hydrocarbons containing one or more rings, typified by benzene, which has a 6-carbon ring containing three double bonds. Alkynes that have only one triple bond form a homologous series: Unsaturated hydrocarbons are organic compounds containing double alkenes or triple alkynes bonds in their molecules.
It is lighter than air, easily soluble in acetone propanone and it is explosive under high pressure. Their carbon chain has one or more double or triple valence bond per molecule.
Category:Aromatic hydrocarbons
Alicyclic compounds are aliphatic compounds with a ring of atoms. All the bonds in benzene C 6 H 6 are the same length intermediate between double and single C-C bonds. Aromatic compounds are unsaturated compounds, yet they do not easily partake in addition reactions. Generaly the alkanes are fairly unreactive.
In the systematic chemical nomenclature alkyne names end in the suffix -yne. Alkenes are acyclic branched or unbranched hydrocarbons having one or more double carbon-carbon bonds in their molecules.