Готові списки джерел за темами / Extraction and chromatography

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Добірка наукової літератури з теми "Extraction and chromatography"

Автор: Grafiati
Опубліковано: 3 червня 2025
Оновлено: 31 липня 2025

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Статті в журналах з теми "Extraction and chromatography"

1

Kostanyan, Artak E., Vera V. Belova, Yulia V. Tsareva, and Maria M. Petyaeva. "Separation of Rare Earth Elements in Multistage Extraction Columns in Chromatography Mode: Experimental Study and Mathematical Simulation." Processes 11, no. 6 (2023): 1757. http://dx.doi.org/10.3390/pr11061757.

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The application of liquid–liquid chromatography principles to solvent extraction processes in hydrometallurgy can greatly simplify rare earth metal separation technologies by separating multicomponent mixtures in one technological operation. In this study, the chromatographic separation of rare earth elements (REEs) in multistage extraction columns was experimentally studied under conditions of impulse sample injection—single and multiple loading of large volumes of metal salt solution into the installation. The results obtained showed the feasibility of operating sieve plate extraction column
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2

Fagan, Sylvia V. B., Connie Gombatz, Hafez Abdel-Kader, and Govind Menon. "Determination of Ardacin in Various Silage Feed Diets by a Rapid Liquid Chromatographic Assay." Journal of AOAC INTERNATIONAL 78, no. 1 (1995): 16–21. http://dx.doi.org/10.1093/jaoac/78.1.16.

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Abstract A method is presented for the detection and quantitation of Ardacin in silage feed diets by liquid chromatography, using a cyano column and an acetonitrile–methanol water mobile phase modified with trifluoroacetic acid. This method includes comprehensive procedures for extracting Ardacin from various silage feed formulations, cleaning up the extracted sample by using solid-phase extractions, and analyzing the eluted solid-phase extract with a suitable liquid chromatographic system. Ardacin was extracted from the silage feed formulations with 50% acetonitrile and 50% 0.1 M KOH. The ext
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3

Jamunkar, Reena, Deepak Sinha, Tarun Kumar Patle, and Kamlesh Shrivas. "A Review on Extraction, Identification and Application of Pesticidal Active Phytoderived Metabolites." Journal of Ravishankar University (PART-B) 37, no. 1 (2024): 152–87. http://dx.doi.org/10.52228/jrub.2024-37-1-10.

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Bioactive compounds obtained from plants, microorganisms and minerals show some specific properties like insecticidal, herbicidal, repellent, antifeedant and toxicant activities called bio pesticide. They have specific modes of action against different pests. Due to their environmental eco-friendly nature, low cost, economic effectiveness, less pollution, and target specific quality they are in high demand in agriculture compared to chemical or synthetic pesticides. Extraction, purification, identification and characterization of these compounds from the plants materials are found always chall
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4

Ferreira, Inês M., and Luis F. Guido. "Advances in Extraction Techniques for Beer Flavor Compounds." Beverages 9, no. 3 (2023): 71. http://dx.doi.org/10.3390/beverages9030071.

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Owing to the unique chemical properties exhibited by beer flavor compounds, different extraction methods have been utilized to extract these compounds from the sample matrix. Carbonyl compounds, which significantly contribute to flavor instability in beer, pose challenges in detection due to their low concentrations and reactivity. Consequently, the analysis of beer flavor compounds has focused on improving sensitivity and specificity through techniques that minimize sample preparation requirements and reduce interactions between factors involved in the analysis. Notably, extraction techniques
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5

Kiselyova, K. E., N. Yu Bevz, O. O. Mykhailenko, M. V. Yaromiy, and L. I. Vyshnevska. "The substantiation of the choice of an extractant for obtaining extractions of the overground part of Lespedeza bicolor." News of Pharmacy 107, no. 1 (2024): 58–65. http://dx.doi.org/10.24959/nphj.24.126.

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Aim. To substantiate the choice of an extractant when obtaining extractions of the overground part of Lespedeza bicolor. Materials and methods. The study object was the crushed overground part of Lespedeza bicolor. Extraction was carried out with purified water, 40 % and 70 % water-alcohol solution by the method of fine maceration and using a device for ultrasound extraction. Analytical studies were performed by the appropriate identification reactions, by the method of thin-layer chromatography on Silica gel 60 chromatographic plates of the Merk company; spectrophotometric tests were carried
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6

Monroy-Guzman, Fabiola, Celia del Carmen De la Cruz Barba, Edgar Jaime Salinas, Vicente Garibay-Feblés, and Tobias Noel Nava Entzana. "Extraction Chromatography Materials Prepared with HDEHP on Different Inorganic Supports for the Separation of Gadolinium and Terbium." Metals 10, no. 10 (2020): 1390. http://dx.doi.org/10.3390/met10101390.

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Bis(2-ethylhexyl)phosphoric acid (HDEHP) is frequently used as an extractant in the separation and recovery of lanthanides by solvent extraction and extraction chromatography, where HDEHP (stationary phase) is fixed on an inert support and the mobile phase is an aqueous solution. Because the results of extraction chromatography strongly depend on the support material, in this study, we aim to prepare solid extractants (extraction chromatography materials) with different inorganic supports impregnated with HDEHP for the adsorption of Gd and Tb from HCl solutions, putting emphasis on the effect
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7

Mali, S. D., and A. P. Jadhav. "EXTRACTION AND ISOLATION OF EMBELIN USING FLASH CHROMATOGRAPHY." INDIAN DRUGS 53, no. 06 (2016): 80–81. http://dx.doi.org/10.53879/id.53.06.10443.

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A rapid and efficient flash chromatographic process for selective isolation of embelin from Embelia ribes was developed. The rate of extraction and purity of embelin depends upon the solvent used for extraction and optimized chromatographic separation. Ethyl acetate was found to be best solvent for highest possible recovery of the embelin from Embelia ribes. Flash chromatography speed up the purification process for quicker results. The purified sample of embelin was then characterized by UV, HPTLC, NMR and Mass.
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8

Kudzin, Zbigniew H., and Włodzimierz Kopycki. "Extraction chromatography of alkanethiols." Journal of Chromatography A 449 (January 1988): 306–11. http://dx.doi.org/10.1016/s0021-9673(00)94389-9.

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9

Abbasi, W. A., and M. Streat. "Comments on extraction chromatography." Journal of Radioanalytical and Nuclear Chemistry Letters 188, no. 2 (1994): 163–67. http://dx.doi.org/10.1007/bf02164950.

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10

Dianu, Aurelia Magdalena, and Relu Ion Dobrin. "Separation and quantification of 90Sr from ion-exchange resin radioactive waste: methods and techniques of analysis." Radiochimica Acta 108, no. 8 (2020): 627–40. http://dx.doi.org/10.1515/ract-2019-3213.

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AbstractFour methods for 90Sr separation from spent ion-exchange resin samples were carried out, offering a useful methodology to achieve interferences free 90Sr fractions. The four methods consist in resin sample decomposition, pre-treatment and selective separation of 90Sr by using: (a) a single chromatographic extraction process, (b) double chromatographic extraction, (c) a single chromatographic extraction process followed in sequence by two precipitations, and (d) ion-exchange chromatography, followed by extraction chromatography and precipitation. Mineralization by microwave acid digesti
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Дисертації з теми "Extraction and chromatography"

1

Carter, Helen. "Uranium separations using extraction chromatography." Thesis, Loughborough University, 2000. https://dspace.lboro.ac.uk/2134/11261.

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In the analysis of environmental samples for uranium and thorium pollutants and at natural levels for the dating of geological samples there was felt a need to develop better uranium and thorium separation procedures to replace the established anion exchange method used at AEA Technology plc. This was the first aim of the PhD research. Separation of uranium from thorium prior to measurement of the isotopes by alpha spectrometry was necessary due to the similar alpha energies of234U and 230Th. TRU and UTEVA extraction chromatography resins (EIChroM Industries) were investigated as potential rep
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2

Kithinji, Jacob P. "Extraction and chromatography of supercritical fluids." Thesis, University of Leeds, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329092.

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3

FRAZER, SCOTT RAYMOND. "INFORMATION EXTRACTION IN CHROMATOGRAPHY USING CORRELATION TECHNIQUES." Diss., The University of Arizona, 1985. http://hdl.handle.net/10150/187978.

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Анотація:
While research into improving data quality from analytical instrumentation has gone on for decades, only recently has research been done to improve information extraction methods. One of these methods, correlation analysis, is based upon the shifting of one function relative to another and determining a correlation value for each displacement. The cross correlation algorithm allows one to compare two files and find the similarities that exist, the convolution operation combines two functions two dimensionally (e.g. any input into an analytical instrument convolves with that instrument response
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4

FIGOLS, MARYCEL B. "Separacao de tracos de neptunio de solucoes de uranio por cromatografia de extracao." reponame:Repositório Institucional do IPEN, 1990. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10252.

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5

Cui, Yi. "Studies of enhanced-fluidity solvents for chromatography and extraction /." The Ohio State University, 1992. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487779914825109.

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6

Yuan, Huimin. "Applications of enhanced-fluidity liquids in chromatography and extraction /." The Ohio State University, 1997. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487947908401666.

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FERNANDES, LIZETE. "Estudo para a preparacao de Talio-201 pela irradiacao de mercurio com protons .Aplicacao da tecnica de cromatografia de extracao na separacao de talio do mercurio." reponame:Repositório Institucional do IPEN, 1990. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10239.

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8

Slack, Gregory C. "Coupled solid phase extraction-supercritical fluid extraction on-line gas chromatography of explosives from water." Diss., This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-05042006-164508/.

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9

Shilstone, Gavin Forbes. "Physical properties in supercritical fluids applied to extraction and chromatography." Thesis, University of Leeds, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.277481.

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10

Möller, Kristina. "Molecularly Imprinted Solid-Phase Extraction and Liquid Chromatography for Biological Samples." Doctoral thesis, Stockholms universitet, Institutionen för analytisk kemi, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-1042.

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This thesis focuses on the use of molecularly imprinted polymers as selective sorbents for solid-phase extraction (MISPE). The MISPE methods developed were mainly intended for use with biological samples, such as human urine and blood plasma. These body fluids are complex samples, which often need an effective clean-up step before analysis to reduce the levels of possible interfering substances from the matrix, especially if the analytes are present in trace amounts. Solid-phase extraction (SPE) is a well-established and routinely used method for clean-up and preconcentration of samples from d
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Книги з теми "Extraction and chromatography"

1

M, Smith R., and Hawthorne S. B, eds. Supercritical fluids in chromatography and extraction. Elsevier, 1997.

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2

Charpentier, Bonnie A., and Michael R. Sevenants, eds. Supercritical Fluid Extraction and Chromatography. American Chemical Society, 1988. http://dx.doi.org/10.1021/bk-1988-0366.

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3

Marcel, Caude, and Thiébaut Didier 1957-, eds. Practical supercritical fluid chromatography and extraction. Harwood Academic Publishers, 1999.

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4

Wenclawiak, Bernd, ed. Analysis with Supercritical Fluids: Extraction and Chromatography. Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-77474-4.

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5

Bernd, Wenclawiak, ed. Analysis with supercritical fluids: Extraction and chromatography. Springer-Verlag, 1992.

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6

Wenclawiak, Bernd. Analysis with Supercritical Fluids: Extraction and Chromatography. Springer Berlin Heidelberg, 1992.

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7

1945-, Jinno Kiyokatsu, ed. Hyphenated techniques in supercritical fluid chromatography and extraction. Elsevier, 1992.

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8

A, Westwood S., ed. Supercritical fluid extraction and its use in chromatographic sample preparation. Blackie Academic & Professional, 1993.

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9

Gjerde, Douglas T. RNA purification and analysis: Sample preparation, extraction, chromatography. Wiley-VCH, 2009.

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10

Lou, Xianwen. Supercritical fluids in analytical chemistry: Chromatography and extraction. Technische Universiteit Eindhoven, 1997.

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Частини книг з теми "Extraction and chromatography"

1

Morss, Lester R. "Extraction Chromatography." In Inorganic Reactions and Methods. John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470145296.ch12.

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2

Jochmann, Maik A., Jens Laaks, and Torsten C. Schmidt. "Solvent-Free Extraction and Injection Techniques." In Practical Gas Chromatography. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-54640-2_11.

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3

Dietz, Mark L., E. Philip Horwitz, and Andrew H. Bond. "Extraction Chromatography: Progress and Opportunities." In ACS Symposium Series. American Chemical Society, 1999. http://dx.doi.org/10.1021/bk-1999-0716.ch016.

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4

Bruno, Thomas J., and Paris D. N. Svoronos. "Supercritical Fluid Extraction and Chromatography." In CRC Handbook of Basic Tables for Chemical Analysis. CRC Press, 2020. http://dx.doi.org/10.1201/b22281-5.

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5

Nagarajan, Meena, Vivek Kambhampati, and Rokayya Sami. "Supercritical Fluid Extraction and Chromatography." In Applications of Supercritical Fluid Extraction in Food Processing. Apple Academic Press, 2025. https://doi.org/10.1201/9781003593072-7.

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6

Pinkston, J. David. "Supercritical Fluid Chromatography/ Mass Spectrometry." In Analysis with Supercritical Fluids: Extraction and Chromatography. Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-77474-4_9.

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7

Vandenburg, H. J., K. D. Bartle, N. J. Cotton, and M. W. Raynor. "Coupled supercritical fluid extraction-capillary supercritical fluid chromatography." In Analytical Supercritical Fluid Extraction Techniques. Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-4948-8_6.

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8

Burford, M. D. "Supercritical fluid extraction coupled on-line with gas chromatography." In Analytical Supercritical Fluid Extraction Techniques. Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-4948-8_5.

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9

Taylor, Larry T., and Elizabeth M. Calvey. "Supercritical Fluid Chromatography with FT-IR Detection." In Analysis with Supercritical Fluids: Extraction and Chromatography. Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-77474-4_10.

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10

Schleimer, Michael, and Volker Schurig. "Enantiomer Separation by Capillary Supercritical Fluid Chromatography." In Analysis with Supercritical Fluids: Extraction and Chromatography. Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-77474-4_8.

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Тези доповідей конференцій з теми "Extraction and chromatography"

1

Devina, Kezia Elian, Dono Indarto, and Tri Nugraha Susilawati. "Identification of Quercetin and Chrysin in Banana Peel Extract Using High Performance Liquid Chromatography and Liquid Chromatography Mass Spectrometer for Obesity Treatment." In 8th International Conference on Advanced Material for Better Future. Trans Tech Publications Ltd, 2025. https://doi.org/10.4028/p-6iz2xi.

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Pancreatic lipase plays an important role in converting triglyceride into long-chain fatty acids and glycerol, then becomes a therapeutic target for obesity treatment. Quercetin and chrysin are able to inhibit pancreatic lipase, which is potentially developed for obesity treatment. This study aimed to identify quercetin and chrysin derived from the methanol extract of raja and kepok banana peels using High Performance Liquid Chromatography (HPLC) and Liquid Chromatography Mass Spectrometer (LC-MS) for the development of obesity treatment. Raja and kepok banana peels were purchased from a fruit
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2

Mills, George, Bob Bell, and E. Lynn Shirey. "The Characterization of Coatings Utilizing Thermal Extract Ion/Gas Chromatography Followed by Fourier Transform Infrared Spectroscopy and/or Mass Spectrometry." In CORROSION 1994. NACE International, 1994. https://doi.org/10.5006/c1994-94440.

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Abstract The characterization of coatings utilizing thermal extraction/gas chromatography followed by fourier transform infrared spectroscopy and/or mass spectrometry is a very powerful hyphenated technique capable of providing definitive answers to questions of QA/QC during the development of a paint formulation, during its manufacture, during its application, or during its investigation after a coating failure. Small recovered paint chips reveal a portion of their past history. Positive identification of generic binder types, solvent entrapment, unreacted monomer, and improper catalyzation a
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3

Batubara, Winda Rizki Pebrina, Tri Nugraha Susilawati, and Dono Indarto. "Analysis of Naringin and Hesperidin Compounds in Berastagi Sweet Orange (<i>Citrus Sinensis L</i>) Peel Extract." In 8th International Conference on Advanced Material for Better Future. Trans Tech Publications Ltd, 2025. https://doi.org/10.4028/p-aj6obu.

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Lipid metabolism is the process of breaking down triglycerides into fatty acids and glycerol, which are oxidized to provide energy. Peroxisome proliferation-activated receptor (PPAR)- alpha and adenosine monophosphate protein kinase (AMPK) are key proteins to increase endogenous lipolysis, which become important targets for weight loss management. Orange peels generally contain hesperidin and naringin compounds which can improve lipid metabolism through lipolysis, cholesterol regulation, inhibition of fat absorption, antioxidants and anti-inflammation. This study aimed to identify hesperidin a
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4

Alghamdi, Talal M. "On-Site Sampling and Determination of Aliphatic Amines in Industrial Waste Water Using Solid Phase Microextraction (SPME)." In CORROSION 2014. NACE International, 2014. https://doi.org/10.5006/c2014-3935.

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Abstract Amine-based corrosion inhibitors are added to the crude oil streams to protect the pipelines from corrosive attacks by oxygen. Amine residuals should be monitored in the system and this is classically done by liquid-liquid extraction (LLE) of amines followed by colorimetric determination using spectrophotometry. Solid phase microextraction (SPME), a novel extraction technique, was used as a sample preparation technique to isolate the amines from the complex sample matrix and gas chromatography (GC) system was used for separation and quantification of amines. A flow-through system was
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Son, Adelina J., and Jayant Chakravarty. "Analysis of Residual Corrosion Inhibitors by Fluorescence and Ultraviolet Spectrophotometry." In CORROSION 1996. NACE International, 1996. https://doi.org/10.5006/c1996-96344.

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Анотація:
Abstract The paper describes the development of a fully automated instrumental procedure for testing residual corrosion inhibitors in production waters in the field. Initial investigations were conducted in the laboratory to evaluate the suitability of ultraviolet and fluorescence spectrophotometric techniques to different types of corrosion inhibitors. Parameters for comparison included selectivity, sensitivity, speed, accuracy and precision of the methods under flowing conditions as in high performance liquid chromatography and static conditions as encountered in stand alone instruments. For
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Alghamdi, Talal M. "Determination of Corrosion Inhibitor Residuals in Dry Crude Oil." In CONFERENCE 2023. AMPP, 2023. https://doi.org/10.5006/c2023-18769.

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Анотація:
Abstract In the absence of adequate volume of aqueous phase in crude sample, it is a challenge to determine the corrosion inhibitor residuals concentration by conventional techniques. This work aims to solve this problem by providing an analytical technique to measure the corrosion inhibitor residuals in dry crude oil by extracting corrosion inhibitor residuals from crude oil into a saline water, which could be then quantified by any analytical instrumental means. A method was developed for the extraction of corrosion inhibitor residuals from treated crude oil samples by saline water. The vari
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Bao, Junchi, Wei Jin, Yusheng Wang, Ge Jiang, and Yan Yan. "Determination of Hydrocarbon Compounds in Rocks by Ultrasonic Extraction Gas Chromatography-Mass Spectrometry." In ADIPEC. SPE, 2022. http://dx.doi.org/10.2118/211689-ms.

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Abstract The convenient, quick and accurate detection of hydrocarbon compounds in rocks and the establishment of the detection method of hydrocarbon compounds in rocks are of great significance for the study of hydrocarbon compounds in rocks. It can provide effective parameters for the study of oil-source source correlation, sedimentary environment Identification and source layer determination. In this paper, We use conventional extraction (cable extraction) and ultrasonic extraction to extract hydrocarbon compounds from rocks respectively, using Gas chromatography mass spectrometer to analysi
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Darian, L. A., and S. M. Korobeynikov. "Analysis of dissolved gases extraction processes in transformer oil for chromatography." In 2007 International Forum on Strategic Technology. IEEE, 2007. http://dx.doi.org/10.1109/ifost.2007.4798577.

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9

Punt, Tiaan, Kerstin Forsberg, and Michael Svärd. "High-Performance Solid-Phase Extraction Chromatography for Recycling of NdFeB Magnet Waste." In RawMat 2023. MDPI, 2023. http://dx.doi.org/10.3390/materproc2023015067.

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10

Arslanova, G. R., D. B. Prosvirnikov, and R. G. Safin. "EXTRACTION OF PHENOLIC COMPOUNDS OF ASPEN AND WILLOW LEAVES OF THE SALICACEAE FAMILY." In Modern machines, equipment and IT solutions for industrial complex: theory and practice. Voronezh State University of Forestry and Technologies named after G.F. Morozov, Voronezh, Russia, 2021. http://dx.doi.org/10.34220/mmeitsic2021_17-22.

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The paper presents the results of studies on the extraction of phenolic compounds from the leaves of trees of the Salicaceae family, namely aspen and willow. A method for extracting phenolic compounds of salicin and quercetin by extraction using ethyl alcohol as a solvent is described. The method of identification of salicin and quercetin by thin-layer chromatography (TLC) is described. Digital processing of the obtained results was carried out using the computer program “Sorbfil Visualizer” (Krasnodar). The optimal operating parameters of the process, allowing to obtain the highest yield of t
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Звіти організацій з теми "Extraction and chromatography"

1

Annunziato, Dominick. HPLC Sample Prep and Extraction SOP v1.3 for Fungi. MagicMyco, 2023. http://dx.doi.org/10.61073/sopv1.3.08.11.2023.

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medicine, industry, and biotechnology. Fungi produce a wide range of bioactive compounds, such as alkaloids, antibiotics, antifungals, immunomodulators, anticancer agents, enzymes, and vitamins. However, these compounds are often locked inside the fungal cell wall, which is composed of chitin, a tough substance that is dif�icult to digest by humans1. Therefore, it is essential to have a good extraction technique that can break down the chitin and release the valuable compounds from the fungi, this is especially essential in the laboratory for accurate lab assays and potency determination durin
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2

Ambrose, Diana. Novel materials and methods for solid-phase extraction and liquid chromatography. Office of Scientific and Technical Information (OSTI), 1997. http://dx.doi.org/10.2172/537289.

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3

Crouch, Rebecca, Jared Smith, Bobbi Stromer, et al. Preparative, extraction, and analytical methods for simultaneous determination of legacy and insensitive munition (IM) constituents in aqueous, soil or sediment, and tissue matrices. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/41480.

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No standard method exists for determining levels of insensitive munition (IM) compounds in environmental matrices. This project resulted in new methods of extraction, analytical separation and quantitation of 17 legacy and 7 IM compounds, daughter products of IM, and other munition compounds absent from USEPA Method 8330B. Extraction methods were developed for aqueous (direct-injection and solid-phase extraction [SPE]), soil, sediment, and tissue samples using laboratory-spiked samples. Aqueous methods were tested on 5 water sources, with 23 of 24 compounds recovered within DoD QSM Ver5.2 limi
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4

Salmon, Arielle. Improving the Elution Rate of Extraction Chromatography on the Purification of Americium. Office of Scientific and Technical Information (OSTI), 2018. http://dx.doi.org/10.2172/1484606.

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5

Crouch, Rebecca, Jared Smith, Bobbi Stromer, et al. Methods for simultaneous determination of legacy and insensitive munition (IM) constituents in aqueous, soil/sediment, and tissue matrices. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/41720.

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Currently, no standard method exists for analyzing insensitive munition (IM) compounds in environmental matrices, with or without concurrent legacy munition compounds, resulting in potentially inaccurate determinations. The primary objective of this work was to develop new methods of extraction, pre-concentration, and analytical separation/quantitation of 17 legacy munition compounds along with several additional IM compounds, IM breakdown products, and other munition compounds that are not currently included in U.S. Environmental Protection Agency (EPA) Method 8330B. Analytical methods were d
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6

Takigawa, D. Y. Extraction chromatography of neodymium by an organophosphorous extractant supported on various polymeric resins. Office of Scientific and Technical Information (OSTI), 1993. http://dx.doi.org/10.2172/10134615.

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7

Dumont, Philip John. New methods and materials for solid phase extraction and high performance liquid chromatography. Office of Scientific and Technical Information (OSTI), 1996. http://dx.doi.org/10.2172/219499.

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8

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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9

Thériault, R. J., and W. J. Davis. Rapid extraction of Sr and Pb by ion-specific chromatography for thermal ionization mass spectrometry analysis. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1999. http://dx.doi.org/10.4095/210358.

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10

Freeze, Ronald. Improved resins and novel materials and methods for solid phase extraction and high performance liquid chromatography. Office of Scientific and Technical Information (OSTI), 1997. http://dx.doi.org/10.2172/587891.

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