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A Rapid and Versatile Method to Determine Methanol in Biofuels and Gasoline by Ambient Mass Spectrometry using a V-EASI Source

  • David U. Tega*
    David U. Tega
    ThoMSon Mass Spectrometry Laboratory, Institute of Chemistry, University of Campinas, UNICAMP, 13083-970 Campinas, SP, Brazil
    *Email: [email protected]. Tel.: +55 19 35213287.
  • Heliara Nascimento
    Heliara Nascimento
    ThoMSon Mass Spectrometry Laboratory, Institute of Chemistry, University of Campinas, UNICAMP, 13083-970 Campinas, SP, Brazil
  • José L. Jara
    José L. Jara
    ThoMSon Mass Spectrometry Laboratory, Institute of Chemistry, University of Campinas, UNICAMP, 13083-970 Campinas, SP, Brazil
  • Jandyson M. Santos
    Jandyson M. Santos
    Chemistry Department, Federal Rural University of Pernambuco, UFRPE, Recife, Pernambuco 52171-900, Brazil
  • , and 
  • Marcos N. Eberlin
    Marcos N. Eberlin
    ThoMSon Mass Spectrometry Laboratory, Institute of Chemistry, University of Campinas, UNICAMP, 13083-970 Campinas, SP, Brazil
    Mackenzie Presbyterian University, São Paulo 01302-907, Brazil
Cite this: Energy Fuels 2020, 34, 4, 4595–4602
Publication Date (Web):March 12, 2020
https://doi.org/10.1021/acs.energyfuels.9b02827
Copyright © 2020 American Chemical Society

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    Abstract

    Methanol is an organic compound commonly used as a solvent in the synthesis of fuel for internal combustion engines. However, the adulteration of fuels (biofuels and gasoline) with methanol is commonly practiced throughout world, and regulations to control the content of methanol in these fuels have been imposed. Although methanol in fuels can be analyzed by numerous analytical techniques, the traditional methods have some disadvantages, such as interferences, incomplete reactions, and lengthy analysis. Thus, the present work proposes a rapid and versatile methanol determination method using a simple derivatization of the sample with nicotinoyl chloride and subsequent fast analysis by ambient mass spectrometry using venturi easy ambient sonic-spray ionization (V-EASI-MS), without preseparation, taking into account all parameters of linearity, limits of detection, quantification, accuracy, and precision based on ISO 5725. We were able to develop a powerful method to quantify methanol in fuels which can be used as an alternative method to detect adulteration by government agencies.

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    Cited By

    This article is cited by 6 publications.

    1. Hua-Ming Xiao, Di Rao, Shuai Zhao, Dilshad Hussain, Jian-Li Chen, Dan Luo, Dan Wang, Xin Lv, Fang Wei, Hong Chen. Formation of medium- and long-chain fatty alcohols in long-term stored oil and biodiesels revealed by chemical isotope labeling-liquid chromatography-high resolution mass spectrometry. Industrial Crops and Products 2023, 193 , 116171. https://doi.org/10.1016/j.indcrop.2022.116171
    2. Narjiss Seddaoui, Aziz Amine. Recent advances in sensor and biosensor technologies for adulteration detection. 2023, 699-739. https://doi.org/10.1016/B978-0-323-90222-9.00017-0
    3. Luan Felipe Campos Oliveira, David Ulisses Tega, Marcos Nogueira Eberlin, Alessandra Sussulini. Liquid chromatography coupled to Venturi easy ambient sonic spray ionization mass spectrometry. Talanta 2022, 238 , 123004. https://doi.org/10.1016/j.talanta.2021.123004
    4. Hua-Ming Xiao, Shuai Zhao, Ru-Ting Fan, Dilshad Hussain, Xian Wang. Simultaneous determination of short-chain fatty alcohols in aged oil and biodiesels by stable isotope labeling assisted liquid chromatography-mass spectrometry. Talanta 2021, 229 , 122223. https://doi.org/10.1016/j.talanta.2021.122223
    5. Stephanie Rankin‐Turner, Liam M. Heaney. Applications of ambient ionization mass spectrometry in 2020: An annual review. Analytical Science Advances 2021, 2 (3-4) , 193-212. https://doi.org/10.1002/ansa.202000135
    6. Tianyi Qin, Bin Liu, Bing Du, Yingying Huang, Guangkai Yao, Zhiqing Xun, Hanhong Xu, Chen Zhao. Solvatofluorochromic flavonoid dyes with enlarged transition dipole moments enable the ratiometric detection of methanol in commercial biodiesel with improved sensitivities. Journal of Materials Chemistry C 2020, 8 (47) , 16808-16814. https://doi.org/10.1039/D0TC04542J