Articles with "methyl iodide" as a keyword



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Increased Dispersion of Nickel Particles Supported on Activated Carbon by Treating with Methyl Iodide

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Published in 2018 at "Catalysis Letters"

DOI: 10.1007/s10562-018-2501-6

Abstract: A novel method dispersing nickel in fine particles on activated carbon (AC) was proposed in this study. The nickel particles with 2.2 nm average diameter supported on AC were obtained through re-dispersing the nickel particles by… read more here.

Keywords: nickel; nickel particles; methyl iodide; treating methyl ... See more keywords
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Studies on quinazolines 7*. Alkylation of 2-aryl-4,4-diphenyl-3,4-dihydroquinazolines with methyl iodide

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Published in 2018 at "Chemistry of Heterocyclic Compounds"

DOI: 10.1007/s10593-018-2363-2

Abstract: The reaction of 2-aryl-4,4-diphenyl-3,4-dihydroquinazoline with methyl iodide in acetone in the presence of potassium hydroxide at 40°C leads to the formation of the corresponding 1-methyl-4,4-diphenyl-1,4-dihydroquinazolines and 1,3-dimethyl-4,4-diphenyl-1,4-dihydroquinazolin-3-ium iodides. The structure of 2-(7-methoxy-1,3-benzodioxol-5-yl)-1-methyl-4,4-diphenyl-1,4-dihydroquinazoline was established by… read more here.

Keywords: quinazolines alkylation; aryl diphenyl; methyl iodide; alkylation aryl ... See more keywords
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Formation of CH3I in a NaI and methyl alkyl ketone solution under gamma irradiation conditions

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Published in 2018 at "Journal of Radioanalytical and Nuclear Chemistry"

DOI: 10.1007/s10967-018-5852-y

Abstract: We investigated the effects of concentrations of NaI and methyl alkyl ketone on the formation of methyl iodide under gamma irradiation conditions. Without irradiation, the formation of methyl iodide does not occur. For the formation… read more here.

Keywords: methyl; alkyl ketone; methyl iodide; methyl alkyl ... See more keywords
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Photodecomposition of methyl iodide as pretreatment for adsorption of radioiodine species in used nuclear fuel recycling operations

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Published in 2020 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2020.125730

Abstract: Abstract This work presents novel photochemical reactors with integrated titania photocatalyst for the UV photodecomposition of gaseous methyl iodide present in simulated vessel off-gas (VOG) in a nuclear fuel reprocessing facility. Continuous flow reactors composed… read more here.

Keywords: methyl; methyl iodide; nuclear fuel; photocatalyst ... See more keywords
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Spatial distribution and biogeochemical cycling of methyl iodide in the Yellow Sea and the East China Sea during summer.

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Published in 2021 at "Environmental pollution"

DOI: 10.1016/j.envpol.2021.116749

Abstract: Methyl iodide (CH3I) released from ocean is an important carrier of iodine, which plays an important role in ozone depletion in the atmosphere. Depletion of ozone has increased the amount of ultraviolet radiation that reaches… read more here.

Keywords: sea east; china sea; sea; methyl iodide ... See more keywords
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Pitch-based porous polymer beads for highly efficient iodine capture.

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Published in 2022 at "Journal of hazardous materials"

DOI: 10.1016/j.jhazmat.2022.128859

Abstract: The efficient and safe capture of volatile radioiodine is of great significance in the reprocessing of spent fuel. Herein, the millimeter-scale pitch-based hyper-cross-linked porous polymers@polyethersulfone (PHCP@PES) composite beads were firstly synthesized for the removal of… read more here.

Keywords: iodine capture; iodine; methyl iodide; pitch based ... See more keywords
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Measurements of line intensities for some lines of methyl iodide in the ν5 and ν3 + ν6 bands

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Published in 2018 at "Journal of Quantitative Spectroscopy and Radiative Transfer"

DOI: 10.1016/j.jqsrt.2018.10.004

Abstract: Abstract The line intensities for RR- and PP- sub-branch transitions in the ν5 and ν3 + v6 bands of CH3I are measured for the first time for 270 lines with 5 ≤ J ≤ 40 and 4 ≤ K ≤ 11 using a multi-pressure fitting… read more here.

Keywords: line intensities; line; intensities lines; methyl iodide ... See more keywords
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Self and N2 collisional broadening of rovibrational lines in the ν6 band of methyl iodide (12CH3I) at room temperature: The J and K dependence

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Published in 2019 at "Journal of Quantitative Spectroscopy and Radiative Transfer"

DOI: 10.1016/j.jqsrt.2019.04.017

Abstract: Abstract Following our recent study devoted to measurements of intensities of rovibrational lines in the ν6 band of methyl iodide (12CH3I) centered at 892.918 cm−1, room temperature infrared spectra of methyl iodide diluted in nitrogen at… read more here.

Keywords: rovibrational lines; band methyl; methyl iodide; broadening coefficients ... See more keywords
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Dynamic sorption properties of Metal-Organic Frameworks for the capture of methyl iodide

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Published in 2018 at "Microporous and Mesoporous Materials"

DOI: 10.1016/j.micromeso.2017.10.018

Abstract: Abstract In this work, methyl iodide (CH3I) sorption properties of Metal-Organic Frameworks (MOFs) were experimentally studied. CH3I adsorption capacities were determined at 35 °C for the different prototypical selected MOFs, MIL-53(Al), MIL-100(Al), MIL-120(Al), CAU-1(Al), UiO-66(Zr), HKUST-1(Cu)… read more here.

Keywords: properties metal; methyl iodide; mil; sorption ... See more keywords
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Adsorption behavior of methyl iodide on a silver ion-exchanged ZSM-5

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Published in 2020 at "Microporous and Mesoporous Materials"

DOI: 10.1016/j.micromeso.2019.109842

Abstract: Abstract An organic iodide, especially methyl iodide (CH3I), is one of the most safety concerns against a nuclear power plant severe accident because it is highly toxic and easily inhaled. Due to its high volatility,… read more here.

Keywords: adsorption; methyl iodide; exchanged zsm; ion exchanged ... See more keywords
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Energetics of Adsorbed Methyl and Methyl Iodide on Ni(111) by Calorimetry: Comparison to Pt(111) and Implications for Catalysis

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Published in 2017 at "ACS Catalysis"

DOI: 10.1021/acscatal.6b02457

Abstract: The heat of adsorption and sticking probability of methyl iodide were measured on Ni(111) at 100 and 160 K using single-crystal adsorption calorimetry (SCAC). At 100 K, methyl iodide adsorbs molecularly with a heat of… read more here.

Keywords: adsorbed methyl; iodide 111; methyl iodide; mol ... See more keywords