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Development of a microwave sample preparation method for the determination of arsenic in humus and moss samples by graphite furnace atomic absorption spectrometry. 建立了用石墨炉原子吸收光谱法测定腐殖质和苔藓样品中砷的微波制样方法。
Analusis Pub Date : 2000-11-01 DOI: 10.1051/ANALUSIS:2000151
P. Perämäki, M. Pesonen, J. Piispanen
{"title":"Development of a microwave sample preparation method for the determination of arsenic in humus and moss samples by graphite furnace atomic absorption spectrometry.","authors":"P. Perämäki, M. Pesonen, J. Piispanen","doi":"10.1051/ANALUSIS:2000151","DOIUrl":"https://doi.org/10.1051/ANALUSIS:2000151","url":null,"abstract":"Two sample decomposition methods were optimized for the determination of arsenic by graphite furnace atomic absorption spectrometry (GFAAS) in moss and humus samples. In the first method, 5,0 ml of HNO 3 and 3,0 ml of H 2 O 2 were used for the decomposition of 500 mg of sample. When humus samples were decomposed in this way a slight, undissolved residue remained. Therefore, another sample decomposition method, including hydrofluoric acid, was also tested (5,0 ml HNO 3 ; 3,0 ml H 2 O 2 ; 0,4 ml HF; 2,5 ml H 3 BO 3 ). Pyrolytically coated graphite tubes, equipped with integrated or L'vov platfoms, were used in the determination of arsenic by GFAAS. Palladium-magnesium nitrate was used as a matrix modifier. Several reference materials (e.g. humus, moss, lichen, sea lettuce) were analyzed.","PeriodicalId":8221,"journal":{"name":"Analusis","volume":"30 1","pages":"830-834"},"PeriodicalIF":0.0,"publicationDate":"2000-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83341593","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 17
Determination of glyphosate herbicide and aminomethylphosphonic acid in natural waters by liquid chromatography using pre-column fluorogenic labeling. Part I: Direct determination at the 0.1 μg/L level using FMOC 柱前荧光标记液相色谱法测定天然水中草甘膦、除草剂和氨基甲基膦酸。第一部分:用FMOC在0.1 μg/L水平下直接测定
Analusis Pub Date : 2000-11-01 DOI: 10.1051/ANALUSIS:2000148
E. L. Fur, R. Colin, C. Charreteur, C. Dufau, J. Peron
{"title":"Determination of glyphosate herbicide and aminomethylphosphonic acid in natural waters by liquid chromatography using pre-column fluorogenic labeling. Part I: Direct determination at the 0.1 μg/L level using FMOC","authors":"E. L. Fur, R. Colin, C. Charreteur, C. Dufau, J. Peron","doi":"10.1051/ANALUSIS:2000148","DOIUrl":"https://doi.org/10.1051/ANALUSIS:2000148","url":null,"abstract":"An analytical method has been developed for the determination of glyphosate herbicide and its metabolite aminomethylphosphonic acid (AMPA) in natural waters to a level of 0.10 µg/L with a good linearity in the range 0.10-2.00 µg/L and coefficients of variation under 20 % for each spiked level. The procedure involves a precolumn derivatization step with 9-fluorenylmethylchloroformate (FMOC-Cl) yielding highly fluorescent derivatives of the analytes which then can be determined by HPLC with fluorescence detection. The method is used for analysis of natural (surface and ground) and treated waters. Matric e effects have been pointed out, particularly the effects of hard ionic content and the effects of chlorine residues into treated waters.","PeriodicalId":8221,"journal":{"name":"Analusis","volume":"69 1","pages":"813-818"},"PeriodicalIF":0.0,"publicationDate":"2000-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90638958","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 25
■ An investigation of the incidence of intersex fish in Seine-Maritime and Sussex regions 塞纳-海地区和苏塞克斯地区双性鱼发生率调查
Analusis Pub Date : 2000-11-01 DOI: 10.1051/ANALUSIS:2000280801
C. Minier, G. Caltot, F. Leboulanger, E. Hill
{"title":"■ An investigation of the incidence of intersex fish in Seine-Maritime and Sussex regions","authors":"C. Minier, G. Caltot, F. Leboulanger, E. Hill","doi":"10.1051/ANALUSIS:2000280801","DOIUrl":"https://doi.org/10.1051/ANALUSIS:2000280801","url":null,"abstract":"The incidence of intersex was examined in freshwater fish in one English and three French rivers. Over 331 fish, mainly roach, were sampled above and below the major sewage treatment works (STW) on each river and the incidence of intersex was recorded by histological examination of fish gonads. No intersex conditions were observed in male fish collected either above or below the major STW on the River Ouse in Sussex. In contrast, roach showing primary oocytes in their testes were found in all three French rivers with the incidence ranging from 9 to 21 % of the males. An intersex chubb and gudgeon were also caught, showing that other species can suffer from this pathology. In addition, roach in the River Seine were heavily parasitised with the tapeworm Ligula intestinalis which may impair the reproductive capabilities of the fish. Introduction","PeriodicalId":8221,"journal":{"name":"Analusis","volume":"3 1","pages":"801-806"},"PeriodicalIF":0.0,"publicationDate":"2000-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86886860","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 72
Alkylphenol ethoxylates and their degradation products in abiotic and biological samples from the environment. 环境中非生物和生物样品中的烷基酚聚氧基酯及其降解产物。
Analusis Pub Date : 2000-11-01 DOI: 10.1051/ANALUSIS:2000280776
P. Voogt, O. Kwast, R. Hendriks, N. Jonkers
{"title":"Alkylphenol ethoxylates and their degradation products in abiotic and biological samples from the environment.","authors":"P. Voogt, O. Kwast, R. Hendriks, N. Jonkers","doi":"10.1051/ANALUSIS:2000280776","DOIUrl":"https://doi.org/10.1051/ANALUSIS:2000280776","url":null,"abstract":"Analytical procedures were optimized for the analysis of surfactants and their degradation products in abiotic and biological samples. The procedures include filtration of water samples and Soxhlet extraction of sediment or sludge samples, followed by automated SPE (C-18 cartridge) and cleanup (Al 2 O 3) . For biological materials a matrix dispersed solid phase extraction method was used. Using these methods, information was obtained about the efficiency of the sewage treatment plants, the changes in oligomer ratios of APEO between influent and effluent, the formation and occurrence of metabolites, and the internal concentrations that may occur when mussels are exposed to APEO in the field.","PeriodicalId":8221,"journal":{"name":"Analusis","volume":"82 1","pages":"776-782"},"PeriodicalIF":0.0,"publicationDate":"2000-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84011329","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 26
Endocrine disruptors: Analytical and toxicological aspects 内分泌干扰物:分析和毒理学方面
Analusis Pub Date : 2000-11-01 DOI: 10.1051/analusis:2000280761
P. Garrigues
{"title":"Endocrine disruptors: Analytical and toxicological aspects","authors":"P. Garrigues","doi":"10.1051/analusis:2000280761","DOIUrl":"https://doi.org/10.1051/analusis:2000280761","url":null,"abstract":"http://www.edpsciences.org Endocrine disruptors: Analytical and toxicological aspects Over the last 5 years, concerns have increased about chemicals in the environment, which influence the reproductive capabilities of human and animals. Reproductive hormone-receptor systems appear to be especially vulnerable. Hormonal disturbances in wildlife include sex changes in riverine fish and marine snails, reproductive failure in birds, genital tract malformations in mammals. These effects may be attributed to various classes of chemicals such as chlorinated pesticides (DDT, endrin, pentachlorophenol) or chlorinated aromatic compounds (PCBs, dioxins), metals (cadmium, selenium, zinc, mercury, tributyltin), alkylphenols (nonylphenol, pentylphenol, bisphenol), phytooestrogens. The identification of the chemicals responsible of these reproductive alterations is difficult and demands the development of specific procedures to analyse these compounds in complex environmental mixtures. Moreover the causal relationships between the exposure to these substances by wildlife organisms and the adverse effects on reproduction in the environment are not yet clear evidence.","PeriodicalId":8221,"journal":{"name":"Analusis","volume":"11 1","pages":"761-762"},"PeriodicalIF":0.0,"publicationDate":"2000-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90904229","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Optimization of the degradation of sewage sludge by wet air oxidation. Study of the reaction mechanism on a cellulose model compound 湿式空气氧化法降解污泥的优化研究。纤维素模型化合物的反应机理研究
Analusis Pub Date : 2000-11-01 DOI: 10.1051/ANALUSIS:2000159
N. Ricq, S. Barbati, M. Ambrosio
{"title":"Optimization of the degradation of sewage sludge by wet air oxidation. Study of the reaction mechanism on a cellulose model compound","authors":"N. Ricq, S. Barbati, M. Ambrosio","doi":"10.1051/ANALUSIS:2000159","DOIUrl":"https://doi.org/10.1051/ANALUSIS:2000159","url":null,"abstract":"The aim of this work is to optimize the degradation yield of an activated sludge and to study the reaction mechanism on a cellulose model compound. This optimization is performed with a Simplex design with four parameters: reaction temperature (280- 350 °C), injected air pressure (40-60 MPa), reaction time (10-45 minutes) and COD concentration (0.5-5 g L -1). The better yield obtained on TOC concentration is 82 5% at 330 °C. Over this temperature, the yield substantially decreases. The use of cellulose a s a model compound for activated sludge confirms optimization results and leads to the identification of by-products and free rad ical species participating in the reaction. Two major organic compounds have been detected: 4-oxo pentanoic acid and 3-oxo butanoic acid, and three types of radicals: HO°, CO 2° -and °CH(OH)CH3.","PeriodicalId":8221,"journal":{"name":"Analusis","volume":"30 1","pages":"872-877"},"PeriodicalIF":0.0,"publicationDate":"2000-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75623553","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
Use of high surface area TiO$_2$ for preconcentration and following determination of Cr species by on-line flow injection inductively coupled plasma atomic emission spectrometry 在线流动注射电感耦合等离子体原子发射光谱法，利用高比表面积tio_2进行预富集和后续测定
Analusis Pub Date : 2000-11-01 DOI: 10.1051/ANALUSIS:2000160
E. Vassileva
{"title":"Use of high surface area TiO$_2$ for preconcentration and following determination of Cr species by on-line flow injection inductively coupled plasma atomic emission spectrometry","authors":"E. Vassileva","doi":"10.1051/ANALUSIS:2000160","DOIUrl":"https://doi.org/10.1051/ANALUSIS:2000160","url":null,"abstract":"A flow-injection analysis (FIA) system incorporating two microcolumns of TiO 2 was used for the developing of an on- line method for preconcentration and sequential determination of Cr 3+ and Cr6+ species by inductively coupled plasma atomic emission spectrometry (ICP-AES). The optimal conditions for both analytes have been obtained. With a sample volume of 10-50 ml and an elution volume of 500 µl, a signal was 20-100 times higher than the signal given by a continuous aspiration system. The method gave good reproducibility with precisions less than 7 % RSD for 5 replicates at the 10 ng/ml level for both Cr- species. Recoveries between 95 and 98 % were obtained for Cr 3+ and Cr6+. The preconcentration system and the methodology proposed were validated on several natural water samples, on reference water samples as well as on synthetic seawater. It was found that the on-line detection using ICP-AES allows sequential Cr speciation analysis at the low concentration levels (ng/l) usually encountered in these media.","PeriodicalId":8221,"journal":{"name":"Analusis","volume":"40 1","pages":"878-884"},"PeriodicalIF":0.0,"publicationDate":"2000-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72645675","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
Evidence of butyl benzyl phtalate induced modifications in a model system developed in vitro 在体外开发的模型系统中，邻苯二甲酸丁苯酯诱导修饰的证据
Analusis Pub Date : 2000-11-01 DOI: 10.1051/ANALUSIS:2000153
M. Sabbieti, L. Marchetti, R. Curini, G. Menghi, A. Roda, M. V. Russo, C. Nugnes, S. Materazzi
{"title":"Evidence of butyl benzyl phtalate induced modifications in a model system developed in vitro","authors":"M. Sabbieti, L. Marchetti, R. Curini, G. Menghi, A. Roda, M. V. Russo, C. Nugnes, S. Materazzi","doi":"10.1051/ANALUSIS:2000153","DOIUrl":"https://doi.org/10.1051/ANALUSIS:2000153","url":null,"abstract":"The phtalate induced modifications on osteoblastic cells have been monitored in a model system in vitro: preliminary encouraging results, independently obtained by calorimetry (DSC), confocal laser scanning microscopy (CLSM) and coupled gas chromatography-mass spectrometry (GC-MS), show the possibility to relate kinetic data and immunofluorescence images, that are very useful to show the entry and the localization of phtalate into the cells. The calorimetric data were obtained by a cellula r liv- ing system growth and reacting into the aluminium pans.","PeriodicalId":8221,"journal":{"name":"Analusis","volume":"98 1","pages":"843-846"},"PeriodicalIF":0.0,"publicationDate":"2000-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76135949","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Determination of glyphosate herbicide and (aminomethyl)phosphonic acid (AMPA) in water by liquid chromatography and fluorescence detection. Part II: Direct determination using pre-column derivatization with NBD-Cl. 液相色谱法和荧光检测法测定水中草甘膦除草剂和(氨基甲基)膦酸。第二部分:用NBD-Cl柱前衍生直接测定。
Analusis Pub Date : 2000-11-01 DOI: 10.1051/ANALUSIS:2000149
R. Colin, E. L. Fur, C. Charreteur, C. Dufau, J. Peron
{"title":"Determination of glyphosate herbicide and (aminomethyl)phosphonic acid (AMPA) in water by liquid chromatography and fluorescence detection. Part II: Direct determination using pre-column derivatization with NBD-Cl.","authors":"R. Colin, E. L. Fur, C. Charreteur, C. Dufau, J. Peron","doi":"10.1051/ANALUSIS:2000149","DOIUrl":"https://doi.org/10.1051/ANALUSIS:2000149","url":null,"abstract":"An analytical method was developed for the determination of glyphosate and AMPA in water. This method involves derivatization in situ with NBD-Cl reagent at 60 °C. The quantification is performed using liquid chromatography with fluores- cence detection after a separation on an amino column. The limit of quantification was estimated at 1 µg/L level for glyphosate and at 0.1 µg/L level for AMPA.","PeriodicalId":8221,"journal":{"name":"Analusis","volume":"69 1","pages":"819-824"},"PeriodicalIF":0.0,"publicationDate":"2000-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76532418","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Pyrolysis-mass spectrometry for rapid classification of oysters according to rearing area. 牡蛎养殖区热裂解-质谱法快速分类。
Analusis Pub Date : 2000-11-01 DOI: 10.1051/ANALUSIS:2000150
M. Cardinal, C. Viallon, C. Thonat, J. Berdagué
{"title":"Pyrolysis-mass spectrometry for rapid classification of oysters according to rearing area.","authors":"M. Cardinal, C. Viallon, C. Thonat, J. Berdagué","doi":"10.1051/ANALUSIS:2000150","DOIUrl":"https://doi.org/10.1051/ANALUSIS:2000150","url":null,"abstract":"Current concern for the safety and traceability of food, as well as the desire of oyster farmers, for marketing reason, to emphasise the geographical origin of their production, requires new methods to make possible a real product identification. I n this study, 181 oyster samples were analysed to determine their origin area. These samples were collected in nine French rear- ing areas at four different times of the year (spring, summer, and the beginning and end of autumn) and from four to eight sites in each area to provide a variability parameter. Analysis of fingerprints after Curie point pyrolysis-mass spectrometry, by an a rti- ficial neural network gave a mean classification rate of 89 %. Although the technique requires further improvements, it appears to be a useful discriminative tool for rapid identification of an oyster production area.","PeriodicalId":8221,"journal":{"name":"Analusis","volume":"6 1","pages":"825-829"},"PeriodicalIF":0.0,"publicationDate":"2000-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82444879","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
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