WebBicyclic and tricyclic compounds such as benzothiophene and dibenzothiophene account for 93.25% of the sulfur compounds in the coal liquefaction oil; after the hydrofining, low boiling point sulfur compounds such as mercaptan, sulfoether and thiophene almost disappear, with benzothiophene and dibenzothiophene as the main sulfur compounds that are … WebA new approach for preparation of polar-modified reversed-phase liquid chromatography stationary phases was developed by using horizontal polymerization technique on silica surface, which was defined as “polar-copolymerized” approach.
Separation of sulfoether compounds in garlic oil by integrated …
Web1 Sep 2024 · In addition to these IR absorption bands common to all NC bands, there was also a region from 1230–1260 cm −1 for Se/CAR NC, which belongs to the sulfoether groups of carrageenan, a band with a maximum of 928 cm −1, which belongs to the C–O–C ester bond of the anhydrogalactose carrageenan cycle, as well as the 845 cm −1 band, which ... Web1 Dec 2016 · Journal Journal o off Food Food Process Process Engineering Engineering ISSN ISSN 1745-4530 1745-4530 SEPARATION OF SULFOETHER COMPOUNDS IN GARLIC OIL BY INTEGRATED MEMBRANE TECHNOLOGIES 1 1,3 2 1 1 1 HUAN XIAO , ZHAOXIANG ZHONG , ZE-XIAN LOW , YAO HUANG , YUN SUN and ZHONG YAO College of Food … demilune shaped cabinet
Magnetic triptycene-based covalent triazine frameworks for the ...
Web8 Jun 2024 · The chemical forms of S, C and O of high-sulphur bituminous coal were analysed before and after microwave desulphurisation by using X-ray photoelectron spectroscopy (XPS). Sulphur existed as 17.908% mercaptan (sulfoether) and 62.160% thiophene before microwave irradiation and decreased to 4.644% mercaptan (sulfoether) … Web30 Mar 2015 · An efficient and simple microwave-assisted three-component reaction for the formation of imidazo[1,2-a]pyridine derivatives in the presence of F3CCO2H has been … Web5 Sep 2007 · This article is cited by 66 publications. Haydar Kilic, Muhammet Turgut, Melike Sevim Yilmaz, Oguzhan Dalkilic, Önder Metin. Monodisperse [email protected] [email protected] Nanoparticles Assembled on Reduced Graphene Oxide as a Highly Efficient and Reusable Heterogeneous Catalyst for the C–H Bond Arylation of Imidazo[1,2-a]pyridine … feywild background