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Dissertations / Theses on the topic 'Pesticide Residues Analysis'

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Published: 3 June 2025

Last updated: 31 July 2025

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1

Ndengerio-Ndossi, Judicate Peter. "Risk analysis on contaminants in foods : pesticide residues in table-ready foods in Tanzania." Thesis, Leeds Beckett University, 2005. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.412874.

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Amajuoyi, Ifeanyi Kingsley. "Behavior and elimination of pesticide residues during supercritical carbon dioxide extraction of essential oils of spice plants and analysis of pesticides in high-lipid-content plant extracts." [S.l. : s.n.], 2001. http://deposit.ddb.de/cgi-bin/dokserv?idn=963029177.

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3

Boupha, Prasongsidh C. "Fate of the neurotoxic mycotoxin, cyclopiazonic acid in dairy products /." View thesis, 1998. http://library.uws.edu.au/adt-NUWS/public/adt-NUWS20030801.153613/index.html.

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Thesis (Ph.D.) -- University of Western Sydney, Hawkesbury, 1998.<br>"A thesis presented to the University of Western Sydney for the degree of Doctor of Philosophy, September, 1998" Bibliography: leaves 193 - 219.

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4

Ahmad, Maqbool. "Pesticide residue analysis using supercritical fluid extraction." Thesis, University of South Wales, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.320724.

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5

Nina, Dimitrov. "Određivanje sadržaja patulina u proizvodima od jabuka i procena izloženosti stanovništva patulinu." Phd thesis, Univerzitet u Novom Sadu, Medicinski fakultet u Novom Sadu, 2018. https://www.cris.uns.ac.rs/record.jsf?recordId=107244&source=NDLTD&language=en.

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Sprovedena studija po prvi put izve&scaron;tava o prisustvu patulina, sekundarnog metabolita određenih vrsta plesni, u proizvodima od jabuka, kao i proceni rizika usled unosa patulina od strane odojčadi, dece, adolescenata i odrasle populacije u Republici Srbiji. Ukupno 356 uzoraka sokova i ka&scaron;ica za odojčad i malu decu (48 i 66, redom), sokova za decu (mala pakovanja sa cevčicom, 100) i sokova u porodičnom pakovanju (142), sakupljeno je sa trži&scaron;ta tokom tri godine i analizirano primenom tečne hromatografije sa ultraljubičastom detekcijom, metodom koja je predhodno validirana. Pr

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6

Al-Saad, Jalal Abdulla. "Development of novel solid phase extraction materials for pesticide residue analysis." Thesis, University of Southampton, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.263469.

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7

Yau, Kerrm Y. F. "Synthesis of recombinant antibody fragments for pesticide residue analysis using enzyme-linked immunosorbent assays." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ35947.pdf.

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8

Boupha, Prasongsidh C. "Fate of the neurotoxic mycotoxin, cyclopiazonic acid in dairy products." Thesis, View thesis, 1998. http://handle.uws.edu.au:8081/1959.7/184.

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The aim of the study in this thesis was to assess the stability of the mycotoxin, cyclopiazonic acid (CPA) in milk and dairy products processed from contaminated milk. A method was developed to detect CPA in milk and milk products using micellar electrokinetic capillary chromatography (MEKC), a technique of capillary electrophoresis (CE), which was rapid and non-labour-intensive. The quantifying efficiency of CE in detecting CPA was compared to Reverse Phase Liquid Chromatography. Heat-stability of CPA in milk was assessed under different conditions. A longer heat treatment of 60 degrees centi

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9

Lo, Fu-kiu, and 盧富嬌. "Multi-residue analysis of pesticides using on-line two dimension liquid chromatography-tandem mass spectrometry." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2011. http://hub.hku.hk/bib/B47869951.

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This thesis begins with an examination of the feasibility of using the Quick, Easy, Cheap, Effective, Rugged, and Safe (QuEChERS) method, and its variants, for the co-extraction of nonpolar and polar pesticides, including highly polar quaternary ammonium salts (QA) and organophosphates (OP). QuEChERS was performed on a mixture of nine different chemical classes of pesticides, with triphenyl phosphate (TPP) as the internal standard, on aqueous Chinese lettuce samples, at 0.1 and 1.0 μg/mL levels. QuEChERS provided superior sample recovery and precision (RSD) for nonpolar pesticides than

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10

Wang, Shuo. "Design and validation of ELISAs for pesticide residue analysis : benzoylphenylurea insecticides and the herbicide pyrithiobac-sodium." Thesis, The University of Sydney, 1999. https://hdl.handle.net/2123/27677.

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This thesis described the development of sensitive competitive enzyme-linked immunosorbent assays (ELISAs) for quantitative detection of five benzoylphenylurea (BPU) insecticides in soil and water. The desired sensitivity and specificity of the immunoassays were achieved through using different immunising haptens which were characterised by the presentation of different parts of BPU molecular structure, and manipulation of the resulting antibodies and enzyme conjugates in a solid-phase antibody immunoassay. This study provided insights into the influence of the immunising hapten's structure on

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11

Stuart, Iain A. "Studies in the application of supercritical fluid extraction to carbamate insecticide residue analysis." Thesis, Glasgow Caledonian University, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.388284.

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12

ANDREA, MARA M. de. "Formacao e bio-liberacao de residuos-ligados de [sup14C]-lindano e [sup14C]-paration em dois solos brasileiros." reponame:Repositório Institucional do IPEN, 1992. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10301.

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Made available in DSpace on 2014-10-09T12:37:04Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T13:56:36Z (GMT). No. of bitstreams: 1 01914.pdf: 2808501 bytes, checksum: 4602fce3510951b557ac48e622edb655 (MD5)<br>Tese (Doutoramento)<br>IPEN/T<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP

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13

Oellig, Claudia [Verfasser], and Wolfgang [Akademischer Betreuer] Schwack. "High-throughput planar solid phase extraction : a new clean-up concept in multi-residue analysis of pesticides / Claudia Oellig. Betreuer: Wolfgang Schwack." Hohenheim : Kommunikations-, Informations- und Medienzentrum der Universität Hohenheim, 2014. http://d-nb.info/1058399942/34.

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14

Coscollà, Raga Clara. "Multi-residue methods for the analysis of pesticides in airborne particulate matter by LC_MS/ and GC-MS/MS. Monitoring levels in the atmosphere." Doctoral thesis, Universitat de València, 2011. http://hdl.handle.net/10803/81296.

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Los plaguicidas actualmente utilizados en agricultura (CUPs) pueden encontrarse en la atmósfera como consecuencia de su uso intensivo en zonas agrícolas sobre todo durante el periodo de aplicación. Más de 300 sustancias activas están actualmente aprobadas por la UE y pueden ser aplicadas en distintos cultivos según la Directiva 91/414/CEE. La cantidad total de plaguicidas utilizados en la (EU-27) durante el 2008 fue de unas 310.011 toneladas de sustancia activa, con Francia (25.3%), España (12.9%) e Italia (13.3%) como los tres países con mayor consumo. La emisión de los plaguicidas durante

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15

Carvalho, Stella Pacheco Lombardi de. "Resíduos de deltametrina e de carbaril em dois sistemas de condução da cultura de tomate estaqueado (Lycopersicon esculentum Mill) e sua eficiência no controle da broca-pequena-do-fruto Neoleucinodes elegantalis (Guenée, 1854) (Lepidoptera: Crambidae)." Universidade de São Paulo, 2004. http://www.teses.usp.br/teses/disponiveis/11/11146/tde-22092004-143434/.

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O objetivo deste estudo foi avaliar os inseticidas deltametrina e carbaril, de modo a abranger seus resíduos em dois sistemas de condução da cultura de tomate estaqueado (linha dupla, plantio comercial e linha simples, plantio experimental) e sua eficiência no controle da broca-pequena-do-fruto, a determinação dos resíduos nos substratos: frutos (visando à proteção à saúde pública), folhas e solo (como uma possível fonte de contaminação ambiental), a comparação dos níveis de resíduos encontrados nesses diferentes sistemas de condução, o controle obtido com os dois inseticidas e sistemas de con

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16

Tascone, Oriane. "Le suivi des xénobiotiques dans les extraits naturels destinés aux industries de la cosmétique, des parfums et des arômes alimentaires." Thesis, Nice, 2015. http://www.theses.fr/2015NICE4010.

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Les extraits naturels tels que les huiles essentielles, les absolues ou les résinoïdes utilisés en parfumerie, arômes et cosmétique sont produits à partir de matières premières naturelles. La culture de ces matières premières est souvent basée sur la monoculture et implique l'utilisation de pesticides. La réglementation pour les matières premières destinées à ces industries devient de plus en plus stricte en termes de niveaux résiduels autorisés de pesticides, en raison de leur impact sur la santé publique et sur l'environnement. Dans ce manuscrit, un état de l’art montrant la problématique po

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17

Granella, Vanusa. "QUALIDADE DO LEITE PRODUZIDO EM SISTEMAS ORGÂNICO E CONVENCIONAL." Universidade Federal de Santa Maria, 2013. http://repositorio.ufsm.br/handle/1/3406.

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The concern about food safety, animal welfare, and environmental impacts caused by intensive production systems has led to an increasing interest in foods derived from a sustainable production system. In this context, organic milk production in Brazil has grown considerably in recent years, but little is known about the quality of the food produced in the country. In order to evaluate the quality of organic milk, the hygienic quality, chemical composition, and safety concerning pesticide residues was assessed. Five brands of certified organic pasteurized milk and five brands of conventional pa

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18

Kao, Su-Chin, and 高素琴. "Pesticide residues analysis and dissipation in small leafy vegetables." Thesis, 1993. http://ndltd.ncl.edu.tw/handle/98276517699557224601.

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碩士<br>國立臺灣大學<br>植物病蟲害學系<br>81<br>1441 composite leafy vegetable samples in 29 varieties were collected from supermarket. There were 54.75% of samples without pesticide residue detected to the limit of detection which range from 0.00022 to 0.278 ppm (mg/kg). Thirty-nine pesticides identified from the collected samples. The most frequency pesticides were dithiocarbamates、permethrin 、 prothiophos 、 chlorothalonil 、 chloropyrifos 、 cypermethrin and dimethoate. The most pesticides found

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19

SHI, SHU-JUAN, and 施淑娟. "Analysis of pesticide residues by inhibitory activity of acetylcholinesterase." Thesis, 1993. http://ndltd.ncl.edu.tw/handle/32868087393641103462.

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20

Lin, Chin-Chan, and 林志展. "Analysis of the factors of pesticide residues in organic agricultural products." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/53379525001235898508.

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碩士<br>立德大學<br>資源環境研究所<br>96<br>The purpose of this research aims to investigate the present situation for organic agriculture and to explore the affecting factors of pesticide residues in organic agricultural products in Taiwan. This study was conducted by organizing and analyzing related resources of information, such as books, journals, researches, and government statistic data. The statistical data from the annual reports from Council of Agriculture, Executive Yuan, field surveys of Taiwan organic agriculture form Agriculture and Food Agency, Council of Agriculture, Executive Yuan, and the

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21

Lin, Liang-Tzu, and 林良姿. "Statistics analysis of tea pesticide residues from Tea Vendor Management Project in Nantou tea area." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/97087891552145669787.

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碩士<br>國立中興大學<br>食品暨應用生物科技學系所<br>103<br>Abstract The issue of pesticide residue in tea leaves has gained long-standing attention. Extant methods for pesticide management include registering pesticides and monitoring residue in food products and the environment. The tolerance standard for pesticide residues is based on the risk assessment results. Taiwan currently classifies 349 pesticides that correspond to 4,100 types of agricultural produce. The legality of these pesticides is judged by the type of residue and the type of produce to which they correspond. Taiwan’s limited land area and dense

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22

Wang, Wen-Sin, and 王玟心. "Analysis of Pesticide Residues in Fruits and Vegetables by Modified QuEChERS Combined with Liquid Chromatography–Tandem Mass Spectrometry." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/ue39rm.

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碩士<br>國立中興大學<br>化學系所<br>106<br>In this study, the QuEChERS (quick, easy, cheap, effective, rugged, and safe) as sample preparation method and combined with liquid chromatography/tandem mass spectrometry (LC-MS/MS) was proposed to determine seven pesticides including diafenthiuron, dicamba, fenpyrazamine, hymexazol, thiocyclam, tridemorph, and tecloftalam in fruits and vegetables. 　　The extraction efficiency of QuEChERS were systematically studied and the optimal extraction conditions were as follow:2 g of homogenized fruits or vegetables were extracted with 2 mL of acetonitrile containing 1% a

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23

Amajuoyi, Ifeanyi Kingsley [Verfasser]. "Behavior and elimination of pesticide residues during supercritical carbon dioxide extraction of essential oils of spice plants and analysis of pesticides in high-lipid-content plant extracts / Ifeanyi Kingsley Amajuoyi." 2001. http://d-nb.info/963029177/34.

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24

Saldanha, Helena Margarida [Verfasser]. "Investigations of the feasibility of producing a new "natural" matrix reference material for the analysis of pesticide residues in products of plant origin / vorgelegt von Helena Saldanha." 2011. http://d-nb.info/101335009X/34.

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25

Wu, Shiao-Kuang, and 吳曉銧. "Analysis of Pesticides Residue in Taiwan Betel Nut." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/jc5bta.

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26

Wu, Chia-Chang, and 巫嘉昌. "Analysis of Carbamate Pesticides Residues and Risk Assessment in Tea (Camellia sinensis)." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/67223125417545689800.

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博士<br>國立臺灣大學<br>農藝學研究所<br>95<br>The tea plant (Camellia sinensis (L.) O. Kuntze) is a major crop in Taiwan, and tea is the most widely consumed beverage worldwide. However, due to increasing public concern for presence of pesticide residues in tea, many consumers have been skeptical that the tea available on market shelves is necessarily safe. The aim of this study firstly was to develop optimization multiresidue analysis methods (MRMs) to determine the nineteen carbamate pesticides in tea samples. Secondly it was to evaluate the dissipation of carbofuran and carbaryl according to field growth

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27

Wu, Chia-Chang. "Analysis of Carbamate Pesticides Residues and Risk Assessment in Tea (Camellia sinensis)." 2007. http://www.cetd.com.tw/ec/thesisdetail.aspx?etdun=U0001-2206200715314600.

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28

Lu, Chao-Yin, and 盧昭吟. "Analysis and Research on Nonconformities of Residual Pesticide on Commercial Products in Tainan City." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/kh87ph.

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碩士<br>中華醫事科技大學<br>職業安全衛生系碩士在職專班<br>106<br>The most concerned about food safety is the issue of pesticide residues in fruits and vegetables. In this study, known from 104 year to 106 year residues in the case of a commercially available pesticide vegetables .104 year after the commercial market sample testing residual agricultural pesticide sample 777 , 35 samples (4.5%) were found to be non-compliant.105 year after the commercial market sample testing residual agricultural pesticide sample 648 , 20 samples (3.1%) were found to be non-compliant. 106 year after the commercial market sample testi

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29

廖珮伶. "The comparsion of the extraction methods for the residue analysis of organochlorine pesticides in soil." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/77025464629204713374.

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30

Sun, Feei, and 孫. 斐. "Combined Novel Method for Multi-Residue Analysis of Pesticides in Fish Commodity and Risk Assessment as Food Intake." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/21692321301358480035.

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博士<br>國立臺灣大學<br>動物學研究所<br>94<br>In order to simplify the survey of pesticide (including carbamate, organochlorine, organophosphate and synthetic pyrethroid pesticides) residues in fishery products (including bivalve, crustacean, fish and cuttlefish), multiresidue determination methods were developed through a solid phase extraction (SPE) technique. In the present procedures, samples were extracted with acetonitrile except for bivalve and cuttlefish samples. Mixed solvent of water, acetone and acetonitrile was added to bivalve prior to homogenization, whereas water was needed in cuttlefish samp

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31

Sun, Feei, and 孫斐. "Combined Novel Method for Multi-Residue Analysis of Pesticides in Fish Commodity and Risk Assessment as Food Intake." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/85579777240828485365.

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博士<br>國立臺灣大學<br>動物學研究研究所<br>94<br>In order to simplify the survey of pesticide (including carbamate, organochlorine, organophosphate and synthetic pyrethroid pesticides) residues in fishery products (including bivalve, crustacean, fish and cuttlefish), multiresidue determination methods were developed through a solid phase extraction (SPE) technique. In the present procedures, samples were extracted with acetonitrile except for bivalve and cuttlefish samples. Mixed solvent of water, acetone and acetonitrile was added to bivalve prior to homogenization, whereas water was needed in cuttlefish sa

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32

chin-sheng, chen, and 陳晉昇. "Determination of abuse drugs in urine by sequential injection analysis immunoaffinity mass spectrometry and organophosphorous pesticides residues by automatic renewable enzyme in sequential injection analysis." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/65992754146523536384.

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碩士<br>國立東華大學<br>化學研究所<br>89<br>An automatic sequential injection analysis (SIA) system coupling antibody reactor and the mass spectrometry was used of analyze D-methamphetamine, 3,4-Methylenedioxymethamphetamine (MDMA) and morphine in urine. This method was aimed at minimizing the steps of preatreatment and determining several analytes simultaneously. The detection limits are 50ppb for methamphetamine、MDMA and morphine, respectively. Linearity was observed in the concentration range 50-4000ppb for all analytes. The SIA system renewable based on inhibition acetylcholinesterase for or

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33

SU, Wei-Ju, and 蘇薇儒. "The optimization of GC/MS-based analysis method for the content of residual pesticides chlorpyrifos in tea samples." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/ezf95m.

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碩士<br>國立臺北科技大學<br>分子科學與工程系有機高分子碩士班<br>106<br>In recent years, food safety topics have been valued by people. Many related reports also came out one after the others. The pesticide residue in tea potential health risks associated with exposure to detected pesticides. It should make people to attention. The aim of this study was the development, optimization, and validation of a simple, rapid, specific, and sensitive gas chromatography–mass spectrometry method for the determination of chlorpyrifos in tea. Evaluate three different types of extraction solvents, and we choose the best. The prepared

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34

Lee, yi-chen, and 李宜真. "The optimization of GC/MS-based analysis method for the content of residual pesticides Carbofuran in tea samples." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/45ymhx.

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碩士<br>國立臺北科技大學<br>分子科學與工程系有機高分子碩士班<br>106<br>Carbofuran is a carbamate pesticide with a chemical formula of C12H15NO3. One of the most toxic pesticides on the market. The appearance is colorless solid crystal, the medium is volcanic ash particles, and the solubility is good. When exposed to water, it can be dissolved into the soil to play an insecticidal effect. It has a wide range of insecticides, and it can prevent and control above-ground and underground pests, root mites and nematodes, and can also be mixed with fertilizers for soil use, saving money and labor. With the rise of consum

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Boisvert, Michel. "Développement d’une nouvelle méthode d’analyse multi-résidus par LDTD/APCI-MS/MS pour la quantification de pesticides et de produits pharmaceutiques dans les eaux usées." Thèse, 2012. http://hdl.handle.net/1866/8607.

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Une nouvelle méthode d'extraction en phase solide (SPE) couplée à une technique d'analyse ultrarapide a été développée pour la détermination simultanée de neuf contaminants émergents (l'atrazine, le déséthylatrazine, le 17(béta)-estradiol, l'éthynylestradiol, la noréthindrone, la caféine, la carbamazépine, le diclofénac et le sulfaméthoxazole) provenant de différentes classes thérapeutiques et présents dans les eaux usées. La pré-concentration et la purification des échantillons a été réalisée avec une cartouche SPE en mode mixte (Strata ABW) ayant à la fois des propriétés échangeuses de catio

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