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Relevant bibliographies by topics / Gaz chromatography Masss Spectrometry (GC-MS)

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Academic literature on the topic 'Gaz chromatography Masss Spectrometry (GC-MS)'

Author: Grafiati

Published: 8 June 2024

Last updated: 31 July 2025

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Journal articles on the topic "Gaz chromatography Masss Spectrometry (GC-MS)"

1

Shounak, Mande*. "A Review Article on Hyphenated Techniques Used in Analytical Method and Development." International Journal of Pharmaceutical Sciences 3, no. 1 (2025): 2407–17. https://doi.org/10.5281/zenodo.14762916.

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The hyphenated techniques refers to the combination or synthesis of distinct analytical methodologies. Spectroscopic techniques are mostly paired with chromatographic techniques. After that, an interphase will allow the mixture's separated components from the chromatographic approach to enter the spectroscopic technique. In GC-MS After separation from gas chromatography, ionization and mass spectrometry are added to MS. analysis and measurement of the mass-to-charge ratios of the ions that the mass spectrometer generates from each analysis. GC and MS can be connected by a membrane separator, j

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Ababutain, Ibtisam. "Antimicrobial Activity and Gas Chromatography-Mass Spectrometry (GC-MS) Analysis of Saudi Arabian Ocimum basilicum Leaves Extracts." Journal of Pure and Applied Microbiology 13, no. 2 (2019): 823–33. http://dx.doi.org/10.22207/jpam.13.2.17.

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IWASA, Shuichi, Shigeki OHIGASHI, Toshio KOSAKI, et al. "19-Hydroxyandrostenedione in Human Ovarian Vein Measured by GC-MS." Folia Endocrinologica Japonica 67, no. 6 (1991): 692–701. http://dx.doi.org/10.1507/endocrine1927.67.6_692.

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Taka, T., A. M. Nishikawa, E. M. C. Salioni, and S. Aranha. "DETECÇÃO DE RESÍDUOS DE DIETILESTILBESTROL E ZERANOL EM FÍGADO BOVINO ATRAVÉS DA CROMATOGRAFIA GASOSA ACOPLADO AO ESPECTRÔMETRO DE MASSA." Arquivos do Instituto Biológico 61, no. 1-2 (1994): 65–67. https://doi.org/10.1590/1808-1657v61n1-2p0651994.

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RESUMO Com objetivo de avaliar a presença de resíduos de dietilestilbestrol (DES) e zeranol em amostras de fígado de bovino foram analisadas 240 amostras provenientes de frigoríficos sob Inspeção Federal devárias Unidades da Federação. A análise dessas amostras foi realizada por cromatografia gasosa capilar acoplada ao espectrômetro de massa ( GC/MS ) no Laboratório de Referência Animal de Campinas ( LARA/ CAMPINAS), não tendo sido detectado resíduos em nenhuma amostra.

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Israel, Chukwuemeka Eneke, Bassey Essien Eka, and Owhonda Wegu Matthew. "Gas chromatography-Mass spectrometry (GC-MS) analysis of bioactive components present in grape citrus peel in Nigeria." GSC Advanced Research and Reviews 8, no. 1 (2021): 166–74. https://doi.org/10.5281/zenodo.5168359.

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Grapefruit (<em>Citrus paradisi</em>) is an important cultivar of the Citrus genus which contains a number of nutrients beneficial to human health. Grapefruit peels are usually thrown away in this part of Nigeria. The research work investigated the bioactive components present in an indigenous citrus peel, grape (<em>Citrus paradisi</em>). Grape fruits were purchased from the fruits garden market in D-Line, Port-Harcourt metropolis and washed with ionized water and allowed to shade dry. The peel of the fruits were separated and subjected to cold extraction using 95% ethanol. The extracts obtai

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Sercan, Dede, and Kemal Avşar Yahya. "Characterization of Aroma Profile of Bogma, Traditional Homemade Turkish Spirit††." Greener Journal of Agricultural Sciences 7, no. 9 (2017): 263–70. https://doi.org/10.15580/GJAS.2017.09.112117171.

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Volatile compounds and aroma profile of Bogma (traditional Turkish homemade distilled spirit) produced from dry fig were investigated. Volatile compounds by gas chromatography/mass spectrometry (GC/MS) and aroma active compounds by gas chromatography/olfactometry (GC/O) were determined using direct injection (DI) and head space-solid phase microextraction techniques (HS-SPME). Aroma extraction dilution analysis (AEDA) was employed to reveal the importance of each aroma active compounds in Bogma aroma. With DI, 12 volatiles and 7 aroma active compounds were detected while HS-SPME showed the exi

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Jordáková, I., J. Dobiáš, M. Voldich, and J. Poustka. "Determination of vinyl chloride monomer in food contact materials by solid phase microextraction coupled with gas chromatography/mass spectrometry." Czech Journal of Food Sciences 21, No. 1 (2011): 13–17. http://dx.doi.org/10.17221/3472-cjfs.

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The present study concerns the optimisation of the headspace solid phase microextraction (HS/SPME) combined with gas chromatography/mass spectrometry (GC/MS) for the vinyl chloride monomer determination. Samples of PVC materials were analysed using the Carboxen/Polydimethylsiloxane (CX/PDMS) 75 &micro;m fibre. For this fibre, the achieved limit of detection was 0.05 &micro;g/kg, and that of quantification 0.17 &micro;g/kg, respectively, with RSD 5%. The levels of VCM found ranged from 0.29 to 0.44 mg/kg, in the case of foil, the VCM content determined was 3.65 mg/kg which means tha

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Aisiyah, Adella, Ajeng Nita Aryani, Diva Rizqi Salsabilla, Putri Mutiara Iskandar, and Silvana Lestari Irwansyah. "Identifikasi Senyawa Mdma dan Paracetamol dalam Sampel Urine Menggunakan Metode Kromatografi Lapis Tipis dan Kromatografi Gas – Spektrofotometri Massa (Gc-Ms)." Jurnal Health Sains 3, no. 5 (2022): 690–96. http://dx.doi.org/10.46799/jhs.v3i5.482.

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MDMA (3,4-methylenedioximet amphetamine) is a semisynthetic compound derived from stimulant type amphetamine (ATS) which works by triggering the release of serotonin. Paracetamol (acetaminophen) is one type of drug that has an analgesic-antipyretic effect. MDMA analysis requires a relatively fast method, so the TLC method was chosen. The identification test was carried out using 3 chromatographic systems, namely methanol: ammonia TA (100:1.5 v/v), methanol: butanol TAF (60:40 v/v), and Toluene: acetone: ethanol: ammonia TAEA (45: 45: 7: 3v/v/v/v). The determination test was carried out using t

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Researcher. "COMPREHENSIVE PROFILING OF VOLATILE ORGANIC COMPOUNDS IN FOOD PRODUCTS BY GAS CHROMATOGRAPHY COUPLED WITH TANDEM MASS SPECTROMETRY." International Journal of Analytical Chemistry (IJAC) 2, no. 1 (2025): 1–9. https://doi.org/10.5281/zenodo.14760216.

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Volatile organic compounds (VOCs) play a pivotal role in defining the flavor, aroma, and safety of food products. Gas chromatography coupled with tandem mass spectrometry (GC-MS/MS) has emerged as a robust analytical tool for identifying and quantifying VOCs in complex food matrices. This paper explores advancements in VOC profiling, evaluates existing methodologies, and highlights the application of GC-MS/MS in food analysis. A comprehensive comparison of VOC profiling techniques and the role of tandem mass spectrometry in improving detection sensitivity are presented. Applications across var

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Timkovsky, J., A. W. H. Chan, T. Dorst, A. H. Goldstein, B. Oyama, and R. Holzinger. "Organic aerosol composition measurements with advanced offline and in-situ techniques during the CalNex campaign." Atmospheric Measurement Techniques Discussions 7, no. 12 (2014): 12449–80. http://dx.doi.org/10.5194/amtd-7-12449-2014.

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Abstract. Our understanding of formation processes, physical properties and climate/health effects of organic aerosols is still limited in part due to limited knowledge of organic aerosol composition. We present speciated measurements of organic aerosol composition by two methods: in-situ thermal-desorption proton-transfer-reaction mass spectrometry (TD-PTR-MS) and offline two-dimensional gas chromatography with a time-of-flight mass spectrometer (GC×GC/TOF-MS). 153 compounds were identified using the GC×GC/TOF-MS, 123 of which were matched with 64 ions observed by the TD-PTR-MS. A reasonable

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Dissertations / Theses on the topic "Gaz chromatography Masss Spectrometry (GC-MS)"

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Asres, Daniel Derbie. "Characterization of carbohydrates using gas chromatography/mass spectrometry (GC/MS)." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape7/PQDD_0001/MQ41677.pdf.

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Lu, Yao. "Forensic Applications of Gas Chromatography-Differential Mobility Spectrometry, Gas Chromatography/Mass Spectrometry, and Ion Mobility Spectrometry with Chemometric Analysis." Ohio University / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1267816777.

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De, Vos Betty-Jayne. "Gas chromatography coupled with ion trap mass spectrometry (GC-MS and GC-MS-MS) - for arson debris analysis." Diss., Pretoria : [s.n.], 2005. http://upetd.up.ac.za/thesis/available/etd-02082006-160506.

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Skinner, Michael A. "Hapsite® gas chromatograph-mass spectrometer (GC/MS) variability assessment /." Download the thesis in PDF, 2005. http://www.lrc.usuhs.mil/dissertations/pdf/Skinner2005.pdf.

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Milo, John A. "Quantitation of Halogenated Anisoles in Wine via SPME – GC/MS." Connect to resource online, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1230924488.

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Moulay, Valentin. "Recherche de chimie prébiotique et d'indices de vie sur les mondes océans par analyse in situ de matière organique." Electronic Thesis or Diss., université Paris-Saclay, 2023. http://www.theses.fr/2023UPASP092.

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La présence d'océans sous la surface de certains des satellites glacés de Jupiter (e.g. Europe) et de Saturne (e.g. Titan, Encelade) couplée à l'existence de geysers permettant l'échantillonnage de leurs profondeurs a fait émerger le fort potentiel exobiologique de ces corps planétaires du système solaire. De telles découvertes ont suscité le développement de futures missions spatiales (Dragonfly pour Titan et concepts de missions pour Europe et Encelade) pour comprendre la chimie de surface de ces mondes-océan, et par extension de rechercher des traces de chimie prébiotique ou de vie passée o

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Miranda, e. Silva Lígia Maria 1982. "Validação de método de análise de multiresíduos de defensivos agrícolas por GC-MS/MS e LC-MS/MS." [s.n.], 2012. http://repositorio.unicamp.br/jspui/handle/REPOSIP/254815.

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Orientador: Marcelo Alexandre Prado<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia de Alimentos<br>Made available in DSpace on 2018-08-21T09:52:53Z (GMT). No. of bitstreams: 1 MirandaeSilva_LigiaMaria_M.pdf: 148256 bytes, checksum: 789cac2002bb2e8dcb1bf70832d395b6 (MD5) Previous issue date: 2012<br>Resumo: O crescente aumento populacional em escala mundial, tornou necessário um grande esforço por parte da agricultura para aumentar, a cada ano, a produção de alimentos para atender as necessidades do mercado externo e interno do Brasil. Recursos técnicos

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Nezami, Ranjbar Mohammad Rasoul. "Novel Preprocessing and Normalization Methods for Analysis of GC/LC-MS Data." Diss., Virginia Tech, 2015. http://hdl.handle.net/10919/73499.

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We introduce new methods for preprocessing and normalization of data acquired by gas/liquid chromatography coupled with mass spectrometry (GC/LC-MS). Normalization is desired prior to subsequent statistical analysis to adjust variabilities in ion intensities that are not caused by biological differences. There are different sources of experimental bias including variabilities in sample collection, sample storage, poor experimental design, noise, etc. Also, instrument variability in experiments involving a large number of runs leads to a significant drift in intensity measurements. We propose n

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Zhai, Lailiang. "Gas Chromatography: Mass Spectrometry of Chemical Agents and Related Interferents." Diss., CLICK HERE for online access, 2006. http://contentdm.lib.byu.edu/ETD/image/etd1266.pdf.

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Christison, Krege Matthew. "Exploring the Molecular Origin of Jet Fuel Thermal Oxidative Deposition Through Statistical Analysis of Mass Spectral Data and Pyrolysis Gas Chromatography/Mass Spectrometry of Deposits." Scholarly Commons, 2019. https://scholarlycommons.pacific.edu/uop_etds/3639.

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ASTM D3241 (Standard Test Method for Thermal Oxidation Stability of Aviation Turbine Fuels) measures the thermal oxidative stability of jet fuels under elevated temperature and pressure conditions. When jet fuels fail ASTM D3241, either at the refinery or in the distribution system, there can be supply disruptions and financial losses. Understanding the causes of poor thermal oxidative stability in jet fuels could help prevent or mitigate issues. In order to develop a deeper understanding of the molecular precursors that lead to ASTM D3241 failures, a number of analytical methodologies and dat

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Books on the topic "Gaz chromatography Masss Spectrometry (GC-MS)"

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McMaster, Marvin. GC/MS. John Wiley & Sons, Ltd., 2008.

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Hübschmann, Hans-Joachim. Handbook of GC/MS: Fundamentals and applications. 2nd ed. Wiley-VCH, 2009.

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Oehme, Michael. Pratical introduction to GC-MS analysis with quadrupoles. Edited by Dünges Wolfgang. Heidelberg, 1999.

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Yancey, M. F. Capillary column GC-MS determination of 77 purgeable organic compounds in two simulated liquid wastes. U.S. Environmental Protection Agency, Environmental Monitoring and Support Laboratory, 1988.

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Yancey, M. F. Capillary column GC-MS determination of 77 purgeable organic compounds in two simulated liquid wastes. U.S. Environmental Protection Agency, Environmental Monitoring and Support Laboratory, 1988.

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Yancey, M. F. Capillary column GC-MS determination of 77 purgeable organic compounds in two simulated liquid wastes. U.S. Environmental Protection Agency, Environmental Monitoring and Support Laboratory, 1988.

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Yancey, M. F. Capillary column GC-MS determination of 77 purgeable organic compounds in two simulated liquid wastes. U.S. Environmental Protection Agency, Environmental Monitoring and Support Laboratory, 1988.

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Yancey, M. F. Capillary column GC-MS determination of 77 purgeable organic compounds in two simulated liquid wastes. U.S. Environmental Protection Agency, Environmental Monitoring and Support Laboratory, 1988.

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9

Tsuge, Shin. Pyrolysis - GC/MS Data Book of Synthetic Polymers: Pyrograms, Thermograms and MS of Pyrolyzates. Elsevier Science & Technology Books., 2011.

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10

Pfleger, Karl. Mass spectral and GC data of drugs, poisons, and their metabolites. VCH Verlagsgesellschaft, 1985.

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Book chapters on the topic "Gaz chromatography Masss Spectrometry (GC-MS)"

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Rivier, L. "GC-MS of Auxins." In Gas Chromatography/Mass Spectrometry. Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/978-3-642-82612-2_8.

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Witte, L. "GC-MS Methods for Terpenoids." In Gas Chromatography/Mass Spectrometry. Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/978-3-642-82612-2_7.

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Kodama, H. "GC-MS Methods for Tobacco Constituents." In Gas Chromatography/Mass Spectrometry. Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/978-3-642-82612-2_12.

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Combaut, G. "GC-MS of Plant Sterol Analysis." In Gas Chromatography/Mass Spectrometry. Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/978-3-642-82612-2_6.

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Palni, L. M. S., S. A. B. Tay, and J. K. MacLeod. "GC-MS Methods for Cytokinins and Metabolites." In Gas Chromatography/Mass Spectrometry. Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/978-3-642-82612-2_10.

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Kameoka, H. "GC-MS Method for Volatile Flavor Components of Foods." In Gas Chromatography/Mass Spectrometry. Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/978-3-642-82612-2_11.

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Nyberg, H. "GC-MS Methods for Lower Plant Glycolipid Fatty Acids." In Gas Chromatography/Mass Spectrometry. Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/978-3-642-82612-2_4.

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Medeiros, Patricia M. "Gas Chromatography-Mass Spectrometry (GC-MS)." In Encyclopedia of Earth Sciences Series. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-39193-9_159-1.

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Medeiros, Patricia M. "Gas Chromatography–Mass Spectrometry (GC–MS)." In Encyclopedia of Earth Sciences Series. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-39312-4_159.

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Shillito, Lisa-Marie. "Gas Chromatography - Mass Spectrometry (GC/MS)." In Archaeological Soil and Sediment Micromorphology. John Wiley & Sons, Ltd, 2017. http://dx.doi.org/10.1002/9781118941065.ch37.

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Conference papers on the topic "Gaz chromatography Masss Spectrometry (GC-MS)"

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Ozol, Seckin, and Na Qi. "Study of Vapor Corrosion Inhibitors Built into Corrosion Control Covers Do VCIs Last the Life of the Covers?" In CORROSION 2021. AMPP, 2021. https://doi.org/10.5006/c2021-16175.

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Abstract Vapor corrosion inhibitors (VCI) are volatile chemistries and eventually they diminish at the source to provide the necessary protection on valuable assets. Shipping and Storage Covers with vapor corrosion inhibitors are used to protect military equipment, wind energy assets and other high value industrial goods. This paper provides gas chromatography-mass spectrometry (GC-MS) testing and data on corrosion inhibitors. New and used protective covers with corrosion inhibitors; were tested to answer the end users concerns; if the VCIs last as long as the covers do; or do they deplete bef

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Videla, Héctor A., Sandra G. Gómez de Saravia, Patricia S. Guiamet, Patricia Allegreti, and Jorge Furlong. "Microbial Degradation of Film-Forming Inhibitors and Its Possible Effects on Corrosion Inhibition Performance." In CORROSION 2000. NACE International, 2000. https://doi.org/10.5006/c2000-00386.

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Abstract Organic film-forming inhibitors used in oil and gas production and transport operations could be susceptible to microbial degradation during their use with the consequent loss in efficiency in corrosion inhibition. The performance of one such organic film-forming corrosion formulation to inhibit corrosion of carbon steel was assessed in a simple mineral medium containing 15.0 ppm sodium chloride. The fluid was inoculated with a Pseudomonas fluorescens pure culture or with a mixed culture of sulfate-reducing bacteria. The inhibitor mixture was the sole carbon source in the system. Micr

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Kusumawati, Dian, Andi Erwin Eka Putra, and Novriany Amaliyah. "Characterisation and Analysis of Chemical Compounds from the Ozonization Process of Crude Palm Oil (CPO) for Biodiesel Production." In International Conference on Research in Engineering and Science Technology (IC-REST) 2023. Trans Tech Publications Ltd, 2025. https://doi.org/10.4028/p-fh0xfc.

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Crude palm oil (CPO) is one of the potential feedstocks for biodiesel production. While CPO has potential as a sustainable biodiesel feedstock, there are still a number of challenges that need to be overcome. One of them is the presence of interfering compounds in CPO, such as free fatty acids and non-triglyceride compounds. This research aims to analyse the density, viscosity, calorific value and identify the types of chemical compounds in CPO for biodiesel production consisting of 100% biodiesel (Fatty Acid Methyl Ester or FAME) without mixture with conventional diesel fuel (fossil diesel).

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Hirano, Susumu, Takashi Ito, Toshiyuki Sunaba, Kazuyo Sasaya, Atsushi Kobayashi, and Hironari Iijima. "Two-Way Application of Corrosion Inhibitor in Gas and Condensate Field." In CORROSION 2020. NACE International, 2020. https://doi.org/10.5006/c2020-14398.

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Abstract A fit for purpose qualification of new corrosion inhibitors was carried out for in a gas and condensate field. The depth of production well is 4,500 m and the bottom hole temperature and pressure are 180ºC and 50 MPa respectively. The methodology and result of the inhibitor evaluation under a sweet condition was summarized. Two brands of corrosion inhibitors had been used each for production tubing and flowline in the field. New corrosion inhibitors were evaluated for the both applications. The corrosion inhibitor efficiency for high shear service and the adhesion tendency were evalua

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Jackson, Tracey, and Jonathan Vargas. "Selective Loss of Bulk Corrosion Inhibitor Species When Exposed to Glass, Plastic, and Steel." In CORROSION 2020. NACE International, 2020. https://doi.org/10.5006/c2020-14999.

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Abstract Despite the widespread use of corrosion inhibitors (CIs) in the oil and gas industry much of their complex aggregation and adsorption behavior is still very poorly understood. CIs are surface active species meaning that when they are injected into aqueous solutions they naturally aggregate and migrate to gas-liquid, liquid-liquid, and solid-liquid interfaces. A better understanding of each CI component and how it adsorbs when exposed to various surfaces could lead to improved CI design, higher performance at lower dosages, as well as improved methods for residual detection. This paper

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Oizumi, Hiroaki, Kazuyuki Matsumaro, Julius Santillan, and Toshiro Itani. "Evaluations of EUV resist outgassing by gas chromatography mass spectrometry (GC-MS)." In SPIE Advanced Lithography, edited by Bruno M. La Fontaine. SPIE, 2010. http://dx.doi.org/10.1117/12.846269.

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Blebea, Nicoleta Mirela, and Simona Negreș. "METHODS FOR QUANTIFICATION OF THE MAIN CANNABINOIDS IN CBD OIL." In GEOLINKS Conference Proceedings. Saima Consult Ltd, 2021. http://dx.doi.org/10.32008/geolinks2021/b1/v3/13.

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Cannabidiol (CBD) is an alkaloid present in Cannabis sativa, together with tetrahydrocannabinol (THC) and more than 120 other substances belonging to a group of compounds named cannabinoids. Due to the continuous increased usage of CBD oils, it became necessary to be developed efficient methods for the identification of its compounds and especially for the characterization of the cannabinoids from the commercial specimens. Cannabinoids may be detected by many and different analytical methods, including immunoassays (EMIT®, Elisa, fluorescent polarization, radioimmunotest), techniques of flat c

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Jarassova, Tolganay, and Mehmet Altunsoy. "Organic Geochemical Characteristics of Core Samples from Central Primorsk-Emba Province, Precaspian Basin, Kazakhstan." In SPE Annual Caspian Technical Conference. SPE, 2021. http://dx.doi.org/10.2118/207044-ms.

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Abstract The Primorsk-Emba province is one of the main oil and gas region of the Precaspian basin. The resources of the Primorsk-Emba oil and gas region range from 5 to 12 billion tons of oil and from 2 to 6 trillion m³ of natural gas. This study primarily concentrates on investigating the organic geochemistry and petroleum geology characteristics of sedimentary units that generated oil in the central Primorsk-Emba province. 20 core samples taken from the Jurassic units in the western part of the study area are characterized by organic matter amount, hydrocarbon production potential, type of o

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Jarassova, Tolganay, and Mehmet Altunsoy. "Organic Geochemical Characteristics of Core Samples from Central Primorsk-Emba Province, Precaspian Basin, Kazakhstan." In SPE Annual Caspian Technical Conference. SPE, 2021. http://dx.doi.org/10.2118/207044-ms.

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Abstract The Primorsk-Emba province is one of the main oil and gas region of the Precaspian basin. The resources of the Primorsk-Emba oil and gas region range from 5 to 12 billion tons of oil and from 2 to 6 trillion m³ of natural gas. This study primarily concentrates on investigating the organic geochemistry and petroleum geology characteristics of sedimentary units that generated oil in the central Primorsk-Emba province. 20 core samples taken from the Jurassic units in the western part of the study area are characterized by organic matter amount, hydrocarbon production potential, type of o

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Basa, E. L. U., H. Julendra, A. Abinawanto, A. Sofyan, and A. Sophian. "Analysis of organic acids from Lactobacillus plantarum with gas chromatography-mass spectrometry (GC-MS)." In PROCEEDINGS OF THE 4TH INTERNATIONAL SYMPOSIUM ON CURRENT PROGRESS IN MATHEMATICS AND SCIENCES (ISCPMS2018). AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5132522.

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Reports on the topic "Gaz chromatography Masss Spectrometry (GC-MS)"

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Kimble, Ashley, Derek Muensterman, Liliana Cahuas, et al. Extraction and analysis of per- and polyfluoroalkyl Substances (PFAS) from Meals Ready-to-Eat (MRE) films using GC-MS and LC-MS/MS. Engineer Research and Development Center (U.S.), 2023. http://dx.doi.org/10.21079/11681/47114.

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This work was in response to the Defense Logistic Agency’s (DLA) Subsistence Network Broad Agency Announcement, BAA-0003-16 addressing 2019 NDAA Section 329 that states packaging materials used for Meals Ready-to-Eat (MRE) that contact food products must be free of per- and polyfluoroalkyl substances (PFAS). This was addressed by determining the presence or absence of PFAS on MREs by extraction followed by gas chromatography mass spectrometry (GC-MS) and liquid chromatography tandem mass spectrometry (LC-MS/MS). Any samples positive for PFAS were quantitated using LC triple quadrupole (QqQ) MS

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Wood, William F., David L. Largent, and Darvin A. DeShazer. The cooked shellfish-odour of the mushroom Russula xerampelina. Verlag der Österreichischen Akademie der Wissenschaften, 2024. http://dx.doi.org/10.1553/biosystecol.3.e115244.

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The “shrimp mushroom”, Russula xerampelina, has a strong cooked shellfish odour. Headspace volatiles from fresh sporocarps of this mushroom were analysed using solid phase microextraction (SPME) and gas chromatography–mass spectrometry (GC–MS). Trimethylamine and trimethylamine N-oxide were the only volatile compounds detected emanating from the fruiting body. Trime- thylamine is noted for its fishy, cooked crab or cooked shrimp-like odour.

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Skinner, Michael A. HAPSITE (registered trademark) Gas Chromatograph/Mass Spectrometer (GC/MS) Variability Assessment. Defense Technical Information Center, 2004. http://dx.doi.org/10.21236/ad1014554.

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Tappan, D. V., and E. Heyder. A GC/MS (Gas Chromatographic/Mass Spectrometric) Analysis for Trimethylolpropane Phosphate on Aircraft Hoses. Defense Technical Information Center, 1988. http://dx.doi.org/10.21236/ada198977.

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Bora. PR-004-14604-R01 Miniaturized Gas Chromatography and Gas Quality Sensor. Pipeline Research Council International, Inc. (PRCI), 2015. http://dx.doi.org/10.55274/r0010869.

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The natural gas industry currently relies on gas chromatography to evaluate the composition of natural gas including alkanes, carbon dioxide, nitrogen, and oxygen. The higher and lower heating values, Wobbe Index, Hydrocarbon Dewpoint, Methane Number, and viscosity are all calculated from the gas composition. The need to understand the composition of fuel gas and to monitor its components is crucial to the natural gas industry. Monitoring the composition of the fuel gas provides the industry with the capability of protecting valuable underground assets, delivering gas that meets end-usage requ

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Smith, Jonell, Michael White, Robert Bernstein, and James Hochrein. Identification of volatile butyl rubber thermal-oxidative degradation products by cryofocusing gas chromatography/mass spectrometry (cryo-GC/MS). Office of Scientific and Technical Information (OSTI), 2013. http://dx.doi.org/10.2172/1093689.

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Mulcahy, H., and C. Koester. Experiments with the LECO Pegasus Gas Chromatograph/ Time-of-Flight Mass Spectrometer Phase 1: Fast GC Separations and Comparison of the GC/TOF-MS with Conventional Quadrupole GC/MS and Fast Quadrupole GC/MS. Office of Scientific and Technical Information (OSTI), 2012. http://dx.doi.org/10.2172/1056608.

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Christensen, Earl, Jack Ferrell, Mariefel V. Olarte, and Asanga B. Padmaperuma. Quantification of Semi-Volatile Oxygenated Components of Pyrolysis Bio-Oil by Gas Chromatography/Mass Spectrometry (GC/MS). Laboratory Analytical Procedure (LAP). Office of Scientific and Technical Information (OSTI), 2016. http://dx.doi.org/10.2172/1241093.

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Roskamp, Melissa. Characterization of Secondary Organic Aerosol Precursors Using Two-Dimensional Gas Chromatography with Time of Flight Mass Spectrometry (GC×GC/TOFMS). Portland State University Library, 2000. http://dx.doi.org/10.15760/etd.1411.

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Conrady, Morgan, Markus Bauer, Kyoo Jo, Donald Cropek, and Ryan Busby. Solid-phase microextraction (SPME) for determination of geosmin and 2-methylisoborneol in volatile emissions from soil disturbance. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/42289.

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A method is described here for the concentration and determination of geosmin and 2-methylisoborneol (2-MIB) from the gaseous phase, with translation to field collection and quantification from soil disturbances in situ. The method is based on the use of solid-phase microextraction (SPME) fibers for adsorption of volatile chemicals from the vapor phase, followed by desorption into a gas chromatograph-mass spectrometer (GC-MS) for analysis. The use of a SPME fiber allows simple introduction to the GC-MS without further sample preparation. Several fiber sorbent types were studied and the 50/30 μ

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