Search results
Jump to navigation
Jump to search
- ...n]] (REMPI) process. It is a selective and sensitive ionization method for aromatic and polyaromatic compounds.<ref name="RCM_paper">{{cite journal|author1=M. ...thus APLI is an ideal ionization method for the detection of [[polycyclic aromatic hydrocarbon]]s (PAH). ...10 KB (1,458 words) - 17:05, 6 January 2025
- ...azu Takata |title=Synthesis and property of 9,9-spirobifluorene-containing aromatic polyesters as optical polymers with high refractive index and low birefring ...tional groups]] in the initial [[monomer]] to make the HRIP. [[Aromaticity|Aromatic]] monomers both increase refractive index and decrease the [[optical anisot ...19 KB (2,532 words) - 18:04, 9 June 2024
- ...it contains [[Alkane|paraffin]]s, [[naphthene]]s (cyclic paraffins) and [[aromatic hydrocarbon]]s ranging from those containing 4 [[carbon]] [[atom]]s to thos ...paint and varnish diluents, [[Bitumen|asphalt]] diluents, rubber industry solvents, recycling products, and [[lighter|cigarette-lighter]], portable-camping-st ...11 KB (1,618 words) - 01:10, 2 March 2025
- ...icals by [[Ultraviolet Radiation|ultraviolet radiation]]. Many chlorinated solvents are produced in this way. ...antities as solvents for [[chloramine T]] from 1914 to 1918. The Sharpless Solvents Corporation commissioned the first industrial photochloration plant for the ...22 KB (2,975 words) - 05:42, 24 September 2024
- ...aturally occurring and synthetic, rely on extensive [[Aromatic hydrocarbon|aromatic systems]] to absorb light in the visible spectrum.<ref name="macdonald-2001 Photooxygenation of [[indolizine]]s (heterocyclic aromatic derivates of indole) has been investigated in both mechanistic and syntheti ...14 KB (2,059 words) - 03:44, 29 November 2024
- ...ne |first2=H. R. |last3=MacDonald |first3=M. C. |title=Sterically Hindered Aromatic Compounds. III. Acid-catalyzed Reactions of 2,4,6-Tri- t -butyl- and 2-Meth ...ydrosilylation are obtained when the reaction is carried out in very polar solvents.<ref name="auto"/> ...13 KB (1,710 words) - 17:57, 15 August 2024
- ...010|doi=10.1021/ol102040s|issue=22|pmid=20979412}}</ref> In general, polar solvents increase the reducing properties of samarium(II) iodide. ...es, and esters. Aryl halides are reduced to the corresponding halogen-free aromatic compounds.<ref name=HMPA/> ...17 KB (2,375 words) - 21:27, 29 August 2024
- ...eriments also showed that it can model [[Ionic compound|ionic]] polycyclic aromatic hydrocarbons such as [[phenol]]s and [[aniline]]s. More recently, the Polya ...er, the limitation is that the adsorption isotherms for a large variety of solvents can only fit over a limited range. The curve was not able to fit the data a ...21 KB (3,108 words) - 05:55, 25 February 2025
- ...Trofimov|first5=B. A.|title=Synthesis of secondary propargyl alcohols from aromatic and heteroaromatic aldehydes and acetylene in the system KOH-H<sub>2</sub>O ...12 KB (1,584 words) - 08:49, 9 May 2024
- ...b'')<sub>4</sub>]<sup>−</sup> are only sparingly soluble in common organic solvents including dichloromethane (DCM), toluene, and hexane. Their silver analogs ...e ligand exchange results in partial electron spin delocalization onto the aromatic arene ligand, with 84-87% of the unpaired electron spin density located on ...29 KB (4,286 words) - 03:37, 21 August 2023
- ...or|date=April 2016|title=Quantitative Analysis of Bioactive Compounds from Aromatic Plants by Means of Dynamic Headspace Extraction and Multiple Headspace Extr ...r example, fuel [[hydrocarbons]] will break down into methane. Chlorinated solvents such as trichloroethylene, break down into ethene and chloride. Detecting t ...16 KB (2,196 words) - 00:13, 20 June 2023
- {{Short description|Mixture of emulsifiers and solvents used to treat oil spills}} ...hm>{{cite journal|last=Tiehm|first=Andreas|title=Degradation of polycyclic aromatic hydrocarbons in the presence of synthetic surfactants |journal=Applied and ...29 KB (4,130 words) - 18:43, 17 May 2024
- ...ess is the sum of the costs of all raw materials, intermediates, reagents, solvents, and catalysts procured from external vendors. Material costs may influence ...y, to minimize overall cost, synthetic steps involving expensive reagents, solvents, or catalysts should be designed into the process route as late stage as po ...31 KB (4,561 words) - 20:10, 19 January 2025
- For a complete list the reference compounds chemical shifts in 11 deuterated solvents the reader is referred to the cited literature.<ref name=":3" /> When determining the <sup>19</sup>F chemical shifts of aromatic fluorine atoms, specifically phenyl fluorides, there is another equation th ...15 KB (2,084 words) - 02:36, 5 October 2024
- ...of positive ions, such as protons and charge transfers, are seen with the solvents: toluene and anisole.<ref name=":122" /> Toluene goes through a charge exch ...ful organic compounds in the environment and in food, such as [[polycyclic aromatic hydrocarbon]]s (PAH) and pesticides.<ref>{{Cite journal|last1=Luosujärvi|fi ...25 KB (3,553 words) - 09:09, 29 January 2025
- ...a|date=2010|degree=PhD|title=New synthetic methods for biologically active aromatic heterocycles|publisher=Iowa State University|doi=10.31274/etd-180810-2033|d ...basic.<ref name="Schwesinger" /> The compound is very soluble in non-polar solvents, such as [[hexane]], [[toluene]] or [[tetrahydrofuran]], and is usually com ...15 KB (2,076 words) - 06:15, 6 February 2025
- ...azide is complexed by one azo group when dissolved in water, but in other solvents, the nickel atom can have up to four azo groups attached.<ref>{{cite journa |title=Spectra of Nickel(II)-Azide Complexes in Organic Solvents ...56 KB (8,268 words) - 21:58, 16 February 2025
- ...molecularly onto alkenes, oxime ethers, [[isocyanide]]s, cyano groups, and aromatic rings.<ref>{{Cite journal|last1=Lynch|first1=Dylan M.|last2=Scanlan|first2= ...cteristics of click chemistry such as the mild reaction conditions (benign solvents), [[regioselectivity]], high efficiency, high conversion and [[quantitative ...25 KB (3,313 words) - 12:04, 4 January 2025
- ...an orbital localized on the ligands (e.g. the [[Pi bond|π* orbital]] of an aromatic ligand). This initial excited electronic state relaxes to a singlet excited ...een shown to play a significant role in low-[[Chemical polarity|polarity]] solvents.<ref>{{Cite journal |last1=Earley |first1=J. D. |last2=Zieleniewska |first2 ...50 KB (6,878 words) - 14:17, 29 November 2024
- ...olumn filled with sand contaminated by [[phenanthrene]] and a [[polycyclic aromatic hydrocarbon]] (PAH), components typically found in tar. They watched as the ...d from the water through simple filtration since they are insoluble in all solvents.<ref name=":0" /> ...38 KB (5,550 words) - 11:13, 1 February 2023