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Relevant bibliographies by topics / Solid phase extraction Liquid-liquid extraction 4

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Academic literature on the topic 'Solid phase extraction Liquid-liquid extraction 4'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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Journal articles on the topic "Solid phase extraction Liquid-liquid extraction 4"

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Yang, Qin, Yuzhi Wang, Hongmei Zhang та ін. "The solid-phase extraction of α-chymotrypsin based on a novel porous polymeric dianionic ionic liquid-coated magnetic material". RSC Advances 7, № 84 (2017): 53203–9. http://dx.doi.org/10.1039/c7ra09434e.

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A novel magnetic solid-phase extraction (MSPE) method based on carboxymethylcellulose sodium modified Fe<sub>3</sub>O<sub>4</sub> nanocomposite coated with porous polymeric dianionic ionic liquid (Fe<sub>3</sub>O<sub>4</sub>@CMC@PPDIL) was proposed and applied to extracting α-chymotrypsin.

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Prokhorenko, D. K. "EVALUATION OF NUCLEIC ACID EXTRACTION METHODS FOR PATHOGEN DETECTION USING PCR." Biotechnologia Acta 18, no. 2 (2025): 86–88. https://doi.org/10.15407/biotech18.02.086.

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This work focuses on evaluating nucleic acid extraction methods and optimizing lysis buffer components to enhance nucleic acid yield and minimize the impact of potential inhibitors on target gene amplification to improve the detection of causative pathogens and facilitate their integration into diagnostic practice. Aim. To compare nucleic acid extraction methods from patient biological samples and to optimize lysis buffer composition to enhance nucleic acid yield. Methods. Spectrophotometric and fluorometric methods were used to assess the efficiency and quality of nucleic acid extraction. The

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Turki, Waleed. "Extraction of Manganese Element from Electric Arc Furnace Steel Slag (EAFS) by Liquid-liquid extraction (LLE) method." Journal of Engineering 28, no. 6 (2022): 39–52. http://dx.doi.org/10.31026/j.eng.2022.06.04.

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This research investigates manganese (Mn) extraction from Electric Arc Furnace Steel Slag (EAFS) by using the Liquid-liquid extraction (LLE) method. The chemical analysis was done on the slag using X-ray fluorescence, X-ray diffraction, and atomic absorption spectroscopy. This work consisted of two parts: the first was an extensive study of the effect of variables that can affect the leaching process rate for Mn element from slag (reaction time, nitric acid concentration, solid to liquid ratio, and stirring speed), and the second part evaluates the extraction of Mn element from leached solutio

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M. Harwood, Laurence, Jan John, Ashfaq Afsar, et al. "Extraction Properties of 4-Tetra(hydroxyphenyl)BTPhen in Liquid-Liquid Extraction Systems with Cyclohexanone/Octanol or in a Solid-Phase Extraction System." HETEROCYCLES 101, no. 1 (2020): 209. http://dx.doi.org/10.3987/com-19-s(f)14.

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Wang, Dao Wu, Xin Xia Feng, Xiao Long Li, and Long Zhang. "Solid-Phase Extraction of Salidroside by Electrospun Nanofibers." Advanced Materials Research 798-799 (September 2013): 161–64. http://dx.doi.org/10.4028/www.scientific.net/amr.798-799.161.

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Abstract. The article established electrospun nanofibers as extraction medium to enrich and purify salidroside and detected the content changes by high performance liquid chromatography. 4 g polystyrene was dissolved in 20 mL butanone for spinning. The electrospun nanofibers was processed and loaded into solid extraction column. 3 mL sample was injected and eluted by 10 mL methanol at the speed of 2 mL/min, collecting the elution for the HPLC analysis. The results show that the relative content of solidroside increased from 24% to 55% and the extraction recovery was above 92%. The method is si

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Ali, M. Abd ALridha, and Tariq Zainab. "Development of dispersive liquid-liquid microextraction by coupling with magnetic nanoparticles for extraction and determi-nation of 4- Chlorophenol." Pak. J. Anal. Environ. Chem 23, Special Issue (2023): 231–36. https://doi.org/10.5281/zenodo.7855598.

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<strong>Abstract </strong>    Dispersive liquid-liquid micro extraction (DLLME) and magnatic-solid phase extraction (MSPE) are effective, quick, and easy extraction methods. Extraction and preconcentration of 4-Chlorophenol prior to spectrophotometric measurement has been enhanced using MSPE. Samples of 4-Chlorophenol were initially handled in this (DLLME).coupled (MSPE) technique. Lauric acid modified with Fe3O4 nanoparticles was employed to recover the analyte from the (DLLME) stage after acetone and 1-propanol were used as the dispersion and extraction solvents. Checks and adjustm

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Huang, Yanhua, Yuzhi Wang, Ying Wang, et al. "Ionic liquid-coated Fe3O4/APTES/graphene oxide nanocomposites: synthesis, characterization and evaluation in protein extraction processes." RSC Advances 6, no. 7 (2016): 5718–28. http://dx.doi.org/10.1039/c5ra22013k.

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A magnetic solid-phase extraction (MSPE) procedure with ionic liquid (IL) coated 3-aminopropyltriethoxysilane (APTES)-Fe<sub>3</sub>O<sub>4</sub> grafted graphene oxide (GO) nanocomposite (Fe<sub>3</sub>O<sub>4</sub>/APTES/GO/IL) as adsorbent has been developed for protein extraction.

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Baynes, Ronald E., and John M. Bowen. "Rapid Determination of Methyl Parathion and Methyl Paraoxon in Milk by Gas Chromatography with Solid-Phase Extraction and Flame Photometric Detection." Journal of AOAC INTERNATIONAL 78, no. 3 (1995): 812–14. http://dx.doi.org/10.1093/jaoac/78.3.812.

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Abstract Methyl parathion (MPT; O,O-dimethyl-O-4-nitro-phenyl phosphorothioate) and its active metabolite, methyl paraoxon (MPO; O, O-dimethyl-O-4-nitro-phenyl phosphate), were isolated from raw milk by solid-phase extraction (SPE) and determined by gas chromatography with flame photometric detection. The SPE method was compared with a traditional liquid-liquid extraction (LLE) procedure to determine whether SPE had suitable sensitivity and better efficiency in extracting MPT and MPO from milk of cows and goats. Method detection limits were higher for SPE, but the differences were not signific

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Zhao, X. S., W. J. Kong, S. Wang, J. H. Wei, and M. H. Yang. "Simultaneous analysis of multiple mycotoxins in Alpinia oxyphylla by UPLC-MS/MS." World Mycotoxin Journal 10, no. 1 (2017): 41–51. http://dx.doi.org/10.3920/wmj2016.2069.

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In this study, a reliable and fast method for the simultaneous quantitation of 11 mycotoxins in Alpinia oxyphylla was developed using ultra-performance liquid chromatography coupled with tandem mass spectrometry (UPLCMS/ MS). Three different extraction procedures (solid-liquid extraction, solid-phase extraction and modified QuEChERS) were evaluated. Solid-liquid extraction was fast and easy, and also provided the best recovery rate for all mycotoxins, compared to the other extraction procedures. Some crucial factors, including extraction solvent, time and temperature, were carefully optimised.

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Jiménez-Herrera, S., J. M. Ochando-Pulido, and A. Martínez-Ferez. "Comparison between different liquid-liquid and solid phase methods of extraction prior to the identification of the phenolic fraction present in olive oil washing wastewater from the two-phase olive oil extraction system." Grasas y Aceites 68, no. 3 (2017): 208. http://dx.doi.org/10.3989/gya.0225171.

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Phenolic compounds from olive mill wastewater (OMW), are characterized by a strong antioxidant activity. At the same time, they represent an environmental problem because they are difficult to degrade. The purpose of this work was to identify these biologically active compounds in the OMW from two-phase olive oil production in order to convert a polluting residue into a source of natural antioxidants. After optimizing the extraction process of phenolic compounds using liquid-liquid extraction (LLE) and solid phase extraction (SPE) methods, it was determined that the most appropriate sequence c

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Dissertations / Theses on the topic "Solid phase extraction Liquid-liquid extraction 4"

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Menon, Sreejit Rajiv Menon. "Design and Development of 2-Functionalized Calix[4]arenes and Their Investigation in the Separation of Lanthanides." University of Toledo / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1461715995.

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Zimmermann, Benno F. "Proanthocyanidins in barley and malt analyzed by pressurized liquid extraction, solid-phase extraction and HPLC." [S.l.] : [s.n.], 2005. http://deposit.ddb.de/cgi-bin/dokserv?idn=979090113.

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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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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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Möller, Kristina. "Molecularly imprinted solid-phase extraction and liquid chromatography/mass spectrometry for biological samples /." Stockholm : Department of Analytical Chemistry, Stockholm University, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-1042.

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Zimmermann, Benno F. [Verfasser]. "Proanthocyanidins in barley and malt analyzed by pressurized liquid extraction, solid-phase extraction and HPLC / Benno F Zimmermann." Aachen : Shaker, 2005. http://d-nb.info/979090113/34.

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Shearer, Justin W. "Fundamental Studies With Functionalized Low Temperature Glassy Carbon In Liquid Chromatography, Solid-Liquid Extraction, And Capillary Electrophoresis." The Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=osu1218477883.

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Mills, Malcolm John. "Effective use of microbore LC with peak compression for the analysis of drugs in biological fluids." Thesis, University of Sunderland, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.297131.

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Saini, Gaurav. "Functionalization of Diamond and Its Application in High Performance Liquid Chromatography and Solid Phase Extraction." BYU ScholarsArchive, 2010. https://scholarsarchive.byu.edu/etd/2797.

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The primary focus of my work was to chemically functionalize diamond as normal and reversed phases for solid phase extraction (SPE) and high performance liquid chromatography (HPLC). Diamond was functionalized with -NH2 groups via self-limiting adsorption of an amine-containing polymer, polyallylamine (PAAm), onto oxidized diamond particles. The chemical stability of these particles was improved by thermal curing or chemical crosslinking with 1,2,5,6-diepoxycyclooctane. The reversed phase material for SPE was synthesized by reacting amine-functionalized diamond particles with long chain alkyl

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Zhou, Ling. "DEVELOPMENT OF A UNIVERSAL POLYMERIC STATIONARY PHASE FOR SOLID PHASE EXTRACTION AND AN IONIC LIQUID MOBILE PHASE MODIFIER FOR SEPARATION OF NATIVE PROTEINS BY LIQUID CHROMATOGRAPHY." Miami University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=miami1371503762.

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Books on the topic "Solid phase extraction Liquid-liquid extraction 4"

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T, Furlong Edward, Geological Survey (U.S.), and National Water-Quality Laboratory (U.S.), eds. Determination of human-health pharmaceuticals in filtered water by chemically modified styrene-divinylbenzene resin-based solid-phase extraction and high-performance liquid chromatography/mass spectrometry. U.S. Dept. of the Interior, U.S. Geological Survey, 2008.

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T, Furlong Edward, Geological Survey (U.S.), and National Water-Quality Laboratory (U.S.), eds. Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory: Determination of pesticides in water by graphitized carbon-based solid-phase extraction and high-performance liquid chromatography/mass spectrometry. U.S. Dept. of the Interior, U.S. Geological Survey, 2001.

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R, Burkhardt M., DeRusseau Sabrina N, and Geological Survey (U.S.), eds. Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory: Determination of pesticides in water by Carbopak-B solid-phase extraction and high-performance liquid chromatography. U.S. Dept. of the Interior, U.S. Geological Survey, 1996.

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Serebryakov, Andrey, Tat'yana Smirnova, Valentina Mercheva, and Elena Soboleva. Chemistry of combustible minerals. INFRA-M Academic Publishing LLC., 2021. http://dx.doi.org/10.12737/1041945.

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This textbook is a publication of the latest generation, designed to optimize the national project "Education"; develops theoretical knowledge about the genesis of natural liquid, gaseous and solid combustible minerals, the formation of the composition and properties, the practical significance of fuel and energy natural complexes. It is devoted to the study of the composition, properties and classification of oils, gas condensate, natural gases and solid combustible minerals, studied at the level of modern achievements of instrumental analytical and factory equipment in accordance with existi

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Book chapters on the topic "Solid phase extraction Liquid-liquid extraction 4"

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Nickerson, Beverly, and Ivelisse Colón. "Liquid–Liquid and Solid-Phase Extraction Techniques." In Sample Preparation of Pharmaceutical Dosage Forms. Springer US, 2011. http://dx.doi.org/10.1007/978-1-4419-9631-2_4.

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Ferreira, Rosana Gomes, Mararlene Ulberg Pereira, Amanda da Silva Rio, and Bernardete Ferraz Spisso. "Determination of Tetracyclines and Their 4-Epimers in Milk by Solid-Phase Extraction (SPE) and Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)." In Methods and Protocols in Food Science. Springer US, 2024. http://dx.doi.org/10.1007/978-1-0716-3806-4_11.

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León González, Zacarías. "Determination of the Unconjugated Forms of Benzophenone-3 and Benzophenone-4 in Urine by Solid-Phase Extraction Coupled to a Liquid Chromatographic System with UV/Vis Detection by Using Automated Sequential Injection Analysis." In Springer Theses. Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-01189-9_3.

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Flores, Cintia, and Josep Caixach. "Analysis of Microcystins by Online Solid Phase Extraction-Liquid Chromatography Tandem Mass Spectrometry." In Handbook of Cyanobacterial Monitoring and Cyanotoxin Analysis. John Wiley & Sons, Ltd, 2017. http://dx.doi.org/10.1002/9781119068761.ch41.

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Chen, Guan-yuan, and Qibin Zhang. "Quantification of Plasma Oxylipins Using Solid-Phase Extraction and Reversed-Phase Liquid Chromatography-Triple Quadrupole Mass Spectrometry." In Methods in Molecular Biology. Springer US, 2021. http://dx.doi.org/10.1007/978-1-0716-1410-5_12.

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Vreuls, J. J., A. J. H. Louter, and U. A. Th Brinkman. "Capillary GC with Selective Detection Using on-line Solid Phase Extraction and Liquid Chromatography Techniques." In Chemistry of Plant Protection. Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-662-01063-1_1.

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Moco, Sofia, and Jacques Vervoort. "Chemical Identification Strategies Using Liquid Chromatography-Photodiode Array-Solid-Phase Extraction-Nuclear Magnetic Resonance/Mass Spectrometry." In Methods in Molecular Biology. Humana Press, 2011. http://dx.doi.org/10.1007/978-1-61779-594-7_17.

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Kleemann, Cristian Rafael, Milena Dutra Pierezan, Pedro Luiz Manique Barreto, Silvani Verruck, and Rodrigo Hoff. "Determination of Palytoxins Oxidation Products in Seafood Using Solid Phase Extraction and Liquid Chromatography-Tandem Mass Spectrometry." In Methods and Protocols in Food Science. Springer US, 2024. http://dx.doi.org/10.1007/978-1-0716-3806-4_21.

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Jensen, Pia Hønnerup, Simon Mysling, Peter Højrup, and Ole Nørregaard Jensen. "Glycopeptide Enrichment for MALDI-TOF Mass Spectrometry Analysis by Hydrophilic Interaction Liquid Chromatography Solid Phase Extraction (HILIC SPE)." In Methods in Molecular Biology. Humana Press, 2012. http://dx.doi.org/10.1007/978-1-62703-146-2_10.

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Lin, Wang, Xu Dan, Feng Jianxin, Cui Hanlong, Wang Wenhui, and Zhu Yingxi. "Solid-Liquid Equilibria of Ternary Systems UO2(NO3)2 + HNO3 + H2O and UF4 + HF + H2O at 298 K." In Springer Proceedings in Physics. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-1023-6_42.

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AbstractUO2(NO3)2 and UF4 are significant intermediates that connect different chemical unit operations (such as dissolution, evaporation, concentration, extraction and etc.) in uranium chemical industry. Commonly, there is a basic physicochemical question about phase equilibrium of ternary systems UO2(NO3)2 + HNO3 + H2O and UF4 + HF + H2O, it is crucial to understand the phase behavior and thermodynamic properties of them with the continuous development of uranium chemical industry. In this study, solid-liquid phase equilibria of ternary systems UO2(NO3)2 + HNO3 + H2O and UF4 + HF + H2O at 29

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Conference papers on the topic "Solid phase extraction Liquid-liquid extraction 4"

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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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Kunchala, Praveen, Hyejin Moon, Yasith Nanayakkara, and Daniel W. Armstrong. "EWOD Based Liquid-Liquid Extraction and Separation." In ASME 2009 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2009. http://dx.doi.org/10.1115/sbc2009-206690.

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Liquid-liquid extraction techniques are one of the major tools in chemical engineering, analytical chemistry, and biology, especially in a system where two immiscible liquids have an interface solutes exchange between the two liquid phases along the interface up to a point where the concentration ratios in the two liquids reach their equilibrium values [1]. Solutes including nucleic acids and proteins of interests can be extracted from one liquid phase to the other immiscible liquid phase as a preparation step for many analytical processes. There are several advantages in miniaturizing the liq

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Osman, Rozita, Siti Norbayu Mohd Subari, and Nursyamsyila Mat Hadzir. "Rapid online solid phase extraction liquid chromatography for the analysis of selected pharmaceuticals in water." In INTERNATIONAL CONFERENCE ON APPLIED COMPUTATIONAL INTELLIGENCE AND ANALYTICS (ACIA-2022). AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0126792.

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Tzeou, Hah, Agnès Grandjean, Antoine Leydier, et al. "Modeling and simulation of solid phase extraction for leached ore purification." In Proceedings of XVI International Mineral Processing and Recycling Conference, Belgrade, 28-30.05.2025. University of Belgrade, Technical Faculty, Bor, 2024. https://doi.org/10.5937/imprc25711t.

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Development of solid/liquid extraction purification process of valuable elements from leached ores can be hasten or made easier with the use of computer resources to simulate the process. The simulation will allow to find the optimal conditions according to different parameters, without conducting numeral experiments for each change of parameters. The French Atomic Energy Commission (CEA) developed a code to simulate solid phase extraction (SPE). Literature or batch experiments will give the equilibrium constants characterizing the sorption on the support but also the speciation of each specie

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Malavasi, Stefano, Gianandrea Vittorio Messa, and Giacomo Ferrarese. "Solid-Liquid Flow Through a Wellhead Choke Valve." In ASME 2013 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/pvp2013-97737.

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Wellhead choke valves are often subjected to the flow of solid-liquid mixtures due to sand production in oil extraction processes. Generally, the mixture is very dilute, and the main concern of engineers is the extensive wear arising from the continuous impacts between the particles and the internal parts of the valve. However, specific heavy oil extraction processes, such as the CHOPS technique, involve the production of a large amount of sand in the flow during the first months of life of the well. Many problems may arise from these high solid loadings, such as the change of regulation and d

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Zhou, Xuefei, Shi-Bing Zhou, Yalei Zhang, and Lu Shi. "Determination of Triclosan in Wastewater Using Solid Phase Extraction and High Performance Liquid Chromatography with Ultra-Violet Detection." In 2009 3rd International Conference on Bioinformatics and Biomedical Engineering (iCBBE 2009). IEEE, 2009. http://dx.doi.org/10.1109/icbbe.2009.5162633.

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Xiao-Li Yang, Dan-Qun Shen, Da-Fang Fu, Guo-Ping Li, and Hai-Liang Song. "Notice of Retraction: Optimization of solid phase extraction for determining steroid estrogens in wastewater by high-performance liquid chromatography." In 2010 2nd Conference on Environmental Science and Information Application Technology (ESIAT 2010). IEEE, 2010. http://dx.doi.org/10.1109/esiat.2010.5567217.

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Gazda, Daniel B., Jeff Rutz, John R. Schultz, and Mark S. Clarke. "Liquid Metering Centrifuge Sticks (LMCS): A Centrifugal Approach to Metering Known Sample Volumes for Colorimetric Solid Phase Extraction (C-SPE)." In International Conference On Environmental Systems. SAE International, 2007. http://dx.doi.org/10.4271/2007-01-3216.

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Ghamari, Farhad, and Abdulrahman Bahrami. "P122 Hollow fibre-liquid phase micro extraction (HF-LPME), a new technique for extraction and determination of urinary minor metabolites of chemical agents as a biological monitoring of occupational exposure to toxic materials." In Occupational Health: Think Globally, Act Locally, EPICOH 2016, September 4–7, 2016, Barcelona, Spain. BMJ Publishing Group Ltd, 2016. http://dx.doi.org/10.1136/oemed-2016-103951.439.

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Stojaković, Jelena D., Zorana Z. Đuraš, Tatjana M. Đurkić, and Antonije E. Onjia. "OPTIMIZATION OF SOLID-PHASE EXTRACTION FOR TRACE ANALISYS OF ORGANIC UV FILTERS IN WATER." In IX Regional Conference Industrial Energy and Environmental Protection in the Countries of Southeast Europe. Society of Thermal Engineers of Serbia,, 2024. http://dx.doi.org/10.46793/ieep24.325s.

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Organic UV filters are substances widely used as active ingredients in cosmetic products for protection against solar radiation. The frequent application of sunscreens containing multiple UV filters has led to their extensive release into the aquatic environment, posing adverse effects on aquatic organisms. There is a reason for concern about their presence in the environment due to their persistence and potential bioaccumulation in organisms, as well as their negative impact on the endocrine systems of humans and animals. Low concentrations of UV filters in natural waters make their detection

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Reports on the topic "Solid phase extraction Liquid-liquid extraction 4"

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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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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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Stromer, Bobbi, Rebecca Crouch, Katrinka Wayne, Ashley Kimble, Jared Smith, and Anthony Bednar. Methods for simultaneous determination of 29 legacy and insensitive munition (IM) constituents in aqueous, soil-sediment, and tissue matrices by high-performance liquid chromatography (HPLC). Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/1168142105.

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Standard methods are in place for analysis of 17 legacy munitions compounds and one surrogate in water and soil matrices; however, several insensitive munition (IM) and degradation products are not part of these analytical procedures. This lack could lead to inaccurate determinations of munitions in environmental samples by either not measuring for IM compounds or using methods not designed for IM and other legacy compounds. This work seeks to continue expanding the list of target analytes currently included in the US Environmental Protection Agency (EPA) Method 8330B. This technical report pr

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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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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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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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Myers, Karen F. Determination of Chlorinated Phenoxyacid Herbicides in Water and Sediment by Solid Phase Extraction and High-Performance Liquid Chromatography. Defense Technical Information Center, 1992. http://dx.doi.org/10.21236/ada260201.

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Schmidt, L. W. Chemically modified polymeric resins for solid-phase extraction and group separation prior to analysis by liquid or gas chromatography. Office of Scientific and Technical Information (OSTI), 1993. http://dx.doi.org/10.2172/10116845.

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Lahav, Ori, Albert Heber, and David Broday. Elimination of emissions of ammonia and hydrogen sulfide from confined animal and feeding operations (CAFO) using an adsorption/liquid-redox process with biological regeneration. United States Department of Agriculture, 2008. http://dx.doi.org/10.32747/2008.7695589.bard.

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Abstract:

The project was originally aimed at investigating and developing new efficient methods for cost effective removal of ammonia (NH₃) and hydrogen sulfide (H₂S) from Concentrated Animal Feeding Operations (CAFO), in particular broiler and laying houses (NH₃) and hog houses (H₂S). In both cases, the principal idea was to design and operate a dedicated air collection system that would be used for the treatment of the gases, and that would work independently from the general ventilation system. The advantages envisaged: (1) if collected at a point close to the source of generation, pollutants would

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Chutimaworapan, Suchada, Chaiyo Chaichantippayuth, and Areerat Laopaksa. Formulation of pharmaceutical products of Garcinia mangostana Linn. extracts. Chulalongkorn University, 2006. https://doi.org/10.58837/chula.res.2006.32.

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Abstract:

Part I: The purpose of the investigation was to develop the extraction process that was simple, practical and giving high yield. The maceration of dried powder of Garcinia mangostana fruit husk with ethyl acetate gave yellow crystalline powder of mangostin. The yield was calculated as 7.47%. The identification of the Garcinia mangostanahusk extract was carried out by thin-layer chromatography (TLC) and differential scanning calorimetry. The TLC of mangostin was done by using the alumina sheet and ethyl acetate: hexane (3:1) as mobile phase. The Rf value as compared with standard mangostin was

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