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Relevant bibliographies by topics / FTIR; Quaternary ammonium salts; Separation

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Journal articles
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Academic literature on the topic 'FTIR; Quaternary ammonium salts; Separation'

Author: Grafiati

Published: 4 June 2021

Last updated: 3 February 2022

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Journal articles on the topic "FTIR; Quaternary ammonium salts; Separation"

1

Schmidtchen, F. P., and H. Oswald. "RP-HPLC Separation of Highly Charged Quaternary Ammonium Salts." Journal of Liquid Chromatography 9, no. 5 (1986): 993–1002. http://dx.doi.org/10.1080/01483918608076685.

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2

Okeke, Ugochukwu C., Chad R. Snyder, and Stanislav A. Frukhtbeyn. "Synthesis, Purification and Characterization of Polymerizable Multifunctional Quaternary Ammonium Compounds." Molecules 24, no. 8 (2019): 1464. http://dx.doi.org/10.3390/molecules24081464.

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Methacrylate analogs of quaternary ammonium salts functionalized with carboxylic (AMadh1 68.8% yield, AMadh2 53.2% yield) and methoxysilane (AMsil1 94.8% yield, AMsil2 36.0% yield) groups were synthesized via Menschutkin reaction. Fourier-transform infrared spectroscopy (FTIR), nuclear magnetic resonance spectroscopy (1H, 13C and 2D 1H-13C heteronuclear single quantum coherence (HSQC) NMR), mass spectrometry, thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC) were utilized to validate structures and characterize thermal properties of the novel multifunctional quaterna

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3

Liu, Qi, Mingqing Zhang, Yijun Cao, Biao Peng, and Joshua Bosco Barvor. "Zinc cyanide removal by precipitation with quaternary ammonium salts." Separation and Purification Technology 274 (November 2021): 119057. http://dx.doi.org/10.1016/j.seppur.2021.119057.

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4

Rodrigues, Otávia Martins Silva, Antônio Eduardo Clark Peres, Afonso Henriques Martins, and Carlos Alberto Pereira. "Kaolinite and hematite flotation separation using etheramine and ammonium quaternary salts." Minerals Engineering 40 (January 2013): 12–15. http://dx.doi.org/10.1016/j.mineng.2012.09.019.

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5

Ramadan, Y., Gy Pátzay, and G. T. Szabó. "Effect of quaternary ammonium salts on the separation efficiency of nanofiltration membranes." Desalination 256, no. 1-3 (2010): 54–57. http://dx.doi.org/10.1016/j.desal.2010.02.017.

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6

Araújo, Edcleide Maria, K. D. Araujo, and Taciana Regina de Gouveia Silva. "Physical Properties of Nylon 66/Organoclay Nanocomposites." Materials Science Forum 530-531 (November 2006): 702–8. http://dx.doi.org/10.4028/www.scientific.net/msf.530-531.702.

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Nanocomposites containing nylon 66 and montmorillonite clay organically modified with quaternary ammonium salts were obtained via direct melt intercalation. A montmorillonite sample from Boa Vista/PB, Northeast of Brazil, was treated with three types of quaternary ammonium salts such as Genamin, Praepagen and Cetremide. After the treatment, the powder was characterized by X-ray diffraction (XRD). The produced nanocomposites were characterized by Torque Rheometer, Infrared Spectroscopy (FTIR), mechanical properties and HDT. The obtained results for rheological characterization showed that the n

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7

Sheng, Jian Guo, and Ping Zeng. "Study on Organic Modified of Montmorillonite by Corrosion Inhibitor of Quaternary Ammonium Salts." Advanced Materials Research 669 (March 2013): 103–7. http://dx.doi.org/10.4028/www.scientific.net/amr.669.103.

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A series of organic montomorilonite were prepared by using Sodium monanorilonite(Na-MMT) as raw material and quaternary ammonium salts with different chain long as intercalation agents by the way of ion exchange method. Weightlessness experiment showed that intercalated agents could alleviate the corrosion of metal. The MMT and organic MMT (OMMT) were identified by infrared spectra (FTIR) and X-ray diffraction (XRD). The results showed that intercalation agents had intercalated into the interlayer space of MMT, and the spacing of MMT layers had increased from 1.51 nm to 2.94 nm.

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8

Medeiros, Keila Machado, Dayanne Diniz Souza, Taciana Regina de Gouveia Silva, Edcleide Maria Araújo, and Hélio Lucena Lira. "Polyamide66/National Bentonite Clay Nanocomposites Membranes for Water-Oil Separation." Materials Science Forum 727-728 (August 2012): 1807–11. http://dx.doi.org/10.4028/www.scientific.net/msf.727-728.1807.

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Membranes can be defined as polymer film that acts as a semipermeable barrier to filtration in a molecular scale, separating two phases. In this work, microporous membranes were obtained from hybrid organic/inorganic polyamide66 (PA66) and clay mineral from Paraíba State, treated with a quaternary ammonium salt in order to make it organophilic. The membranes in the form of thin films were prepared by immersion-precipitation technique from the nanocomposites obtained by solution, with a pre-determined reaction time of 2 h, with characteristics suitable to be used in microfiltration process for

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9

Crnčević, Doris, and Renata Odžak. "Synthesis of quaternary ammonium salts based on quinuclidin-3-ol and pyridine-4-aldoxime with alkyl chains." St open 1 (2020): 1–8. http://dx.doi.org/10.48188/so.1.8.

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Aim: In search of a new class of potential antimicrobial agents, novel ammonium salts based on quinuclidine-3-ol and pyridine-4-aldoxime with different lengths of alkyl chains were synthesized and analyzed. In addition to their potential biological application, newly synthesized salts containing terminal bromine could possibly be used for the synthesis of more potent bisquaternary salts. Methods: The commercially available quinuclidine-3-ol and pyridine-4-aldoxime were used for the synthesis of new derivatives with the appropriate alkyl chains. The purity of the synthesized salts was tested by

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10

Wu, Hua-Fang, Wen-Bin Lin, Li-Zi Xia, et al. "‘N-Stereogenic Quaternary Ammonium Salts’ from L-Amino Acids: Synthesis, Separation, and Absolute Configuration." Helvetica Chimica Acta 92, no. 4 (2009): 677–88. http://dx.doi.org/10.1002/hlca.200800326.

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Dissertations / Theses on the topic "FTIR; Quaternary ammonium salts; Separation"

1

Rambocus, Subhas. "Reactive solvent extraction of dicarboxylic and carboxylic-sulfonic acids." Thesis, London South Bank University, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.245144.

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Conference papers on the topic "FTIR; Quaternary ammonium salts; Separation"

1

Gupta, Pawan, and Jitendra S. Sangwai. "Semiclathrate Hydrate of Methane and Quaternary Ammonium Salts for Natural Gas Storage and Gas Separation." In Offshore Technology Conference Asia. Offshore Technology Conference, 2018. http://dx.doi.org/10.4043/28266-ms.

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