標(biāo)題: Titlebook: Analysis of Organic Micropollutants in Water; Proceedings of the T G. Angeletti (Directorate-General for Science),A. Conference proceeding [打印本頁] 作者: 雜技演員 時間: 2025-3-21 16:45
書目名稱Analysis of Organic Micropollutants in Water影響因子(影響力)
書目名稱Analysis of Organic Micropollutants in Water影響因子(影響力)學(xué)科排名
書目名稱Analysis of Organic Micropollutants in Water網(wǎng)絡(luò)公開度
書目名稱Analysis of Organic Micropollutants in Water網(wǎng)絡(luò)公開度學(xué)科排名
書目名稱Analysis of Organic Micropollutants in Water被引頻次
書目名稱Analysis of Organic Micropollutants in Water被引頻次學(xué)科排名
書目名稱Analysis of Organic Micropollutants in Water年度引用
書目名稱Analysis of Organic Micropollutants in Water年度引用學(xué)科排名
書目名稱Analysis of Organic Micropollutants in Water讀者反饋
書目名稱Analysis of Organic Micropollutants in Water讀者反饋學(xué)科排名
作者: BABY 時間: 2025-3-21 20:20
Sampling of Surface Waters for Tracing Macro- and Micropollutants of representative continuous sampling and multiple parameter analytical procedures in the central water laboratory. The technique of sampling is in close relation to handling many problems as sample preservation, transport organisation, emergency measures etc. The procedures have been adopted by se作者: correspondent 時間: 2025-3-22 02:23
Techniques D’echantillonnage Pour L’analyse Des Traces Organiquesir analysis. For these reasons, complementary continuous sampling techniques are used by the Laboratory of S.L.E.E. Three types of samplers are used: a composite liquid sampler for the analysis of substances by closed loop stripping, head space. . ., a continuous liquid-liquid extraction cell, and a作者: 口音在加重 時間: 2025-3-22 06:17 作者: metropolitan 時間: 2025-3-22 10:46
High Resolution Gas Chromatography in Water Analysis: 12 Years of Developmented in detail, in particular with respect to deactivation of columns for direct injection of aqueous solution. In addition, the various injection techniques, their advantages and problems, are summarized. Finally, the relations between commercial and laboratory made columns are discussed.作者: Lumbar-Stenosis 時間: 2025-3-22 14:18
Analysis of Organics in the Environment by Functional Group using a Triple Quadrupole Mass Spectrome lyophilized aqueous solutions are volatilized directly into the ion source of the triple quadrupole instrument. Allor most wet chemical and chromatographic separation steps are eliminated. Analysis of organics by functional group and molecular weight is accomplished using the technique of collision作者: Antagonism 時間: 2025-3-22 18:57 作者: –scent 時間: 2025-3-22 23:16 作者: Ophthalmoscope 時間: 2025-3-23 02:00
Determination of Organic Water Pollutants by the Combined Use of High-Performance Liquid Chromatogras of complex mixtures of organic chemicals commonly encountered in environmental samples. Of particular benefit is the complementary application of normal- and reversed-phase separation systems in HPLC and the use of HPLC as a preparative separation before detailed analysis by HRGC and HRGC/MS. Seve作者: 天文臺 時間: 2025-3-23 08:08 作者: acetylcholine 時間: 2025-3-23 12:19 作者: ITCH 時間: 2025-3-23 16:14
Characterisation of Non-Volatile Organics from Water by Pyrolysis-Gaschromatography-Mass Spectrometrhe most important classes in the river Rhine. The combination of pyrolysis gas chromatography mass spectrometry is applied to the characterisation of these non-volatile compounds. The material is isolated from water and pyrolysed in a special inlet system for 10 sec. at 600/800°C. The pyrolysis prod作者: Lymphocyte 時間: 2025-3-23 20:16 作者: 影響深遠(yuǎn) 時間: 2025-3-23 22:41
Analysis of Sulphonic Acids and Other Ionic Organic Compounds Using Reversed-Phase HPLColar organic compounds eg polynuclear aromatic hydrocarbons. The ionisation of sulphonated organic compounds must be suppressed either by the use of an ion-pairing reagent, by rendering the eluted solvent acidic, or by the use of more polar reversed-phase packings. The techniques employed for ionic 作者: 無孔 時間: 2025-3-24 06:17
https://doi.org/10.1057/9780230379275-ion reagents are used only when other techniques fail. Satisfactory separations have been achieved using a styrene-divinylbenzene copolymer reversed-phase medium in the absence of either paired-ion reagents or buffer solutions.作者: intellect 時間: 2025-3-24 07:14
Analysis of Sulphonic Acids and Other Ionic Organic Compounds Using Reversed-Phase HPLC-ion reagents are used only when other techniques fail. Satisfactory separations have been achieved using a styrene-divinylbenzene copolymer reversed-phase medium in the absence of either paired-ion reagents or buffer solutions.作者: Limited 時間: 2025-3-24 12:01 作者: inventory 時間: 2025-3-24 17:51
Ellen K. Silbergeld,Peter L. deFur contactor on macroporous resins or other adsorbents for subsequent elution followed by GC-MS analysis or biological assays. These devices enable composite samples of average concentration to be obtained over one or several days.作者: 卡死偷電 時間: 2025-3-24 21:03
‘Around-the-Table’ Negotiationshniques are combined with the method of collisionally activated decomposition (CAD) in a tandem mass spectrometer a direct mixture analysis is possible. It will be demonstrated that this approach can be used to identify surfactants in surface water.作者: 有常識 時間: 2025-3-25 01:38 作者: 脊椎動物 時間: 2025-3-25 04:54
https://doi.org/10.1007/978-3-7091-9883-4gin and many of them are biologically active..Only a small proportion of the non-volatiles present have been identified and the others await further application of the techniques used here and the development of new techniques.作者: 未完成 時間: 2025-3-25 11:08
Analysis of Organics in the Environment by Functional Group using a Triple Quadrupole Mass Spectrome from the analysis of influent to a waste water treatment plant obtained by both GC/MS and triple quadrupole mass spectrometry are compared. In the triple quadrupole method, both knowns and unknowns are characterized, detection limits are at the 10–100 ppb level, and the total analysis time per sample is typically only 25–30 min.作者: 我說不重要 時間: 2025-3-25 15:38
Identification of Non-Volatile Organics in Water Using Field Desorption Mass Spectrometry and High Pgin and many of them are biologically active..Only a small proportion of the non-volatiles present have been identified and the others await further application of the techniques used here and the development of new techniques.作者: conifer 時間: 2025-3-25 19:20
Sampling of Surface Waters for Tracing Macro- and Micropollutantsveral environmental agencies in the F.R. Germany and other states of the European Communities. The paper describes the procedures, their advantages, applications, restrictions and problems not yet solved.作者: 賞心悅目 時間: 2025-3-25 23:33 作者: 譏諷 時間: 2025-3-26 00:31
Mass Spectrometric Identification of Surfactantshniques are combined with the method of collisionally activated decomposition (CAD) in a tandem mass spectrometer a direct mixture analysis is possible. It will be demonstrated that this approach can be used to identify surfactants in surface water.作者: 巨頭 時間: 2025-3-26 05:25
Conference proceedings 1984September 1983, are presented. The symposium was organized within the framework of the Concerted Ac- tion COST 64b bis *, which has the same name and is included in the Third R&D Programme on Environment of the Commission of the European Communi- ties - Indirect and Concerted Actions - 1981 to 1985.作者: vibrant 時間: 2025-3-26 09:06
19 to 21 September 1983, are presented. The symposium was organized within the framework of the Concerted Ac- tion COST 64b bis *, which has the same name and is included in the Third R&D Programme on Environment of the Commission of the European Communi- ties - Indirect and Concerted Actions - 198作者: Lacerate 時間: 2025-3-26 16:13 作者: Crayon 時間: 2025-3-26 17:13
Oliver Baum,Werner Reutter,Felix Bermpohlrmal- and reversed-phase separation systems in HPLC and the use of HPLC as a preparative separation before detailed analysis by HRGC and HRGC/MS. Several examples of such applications are presented including determinations of polycyclic aromatic hydrocarbons, oil hydrocarbons, alkyl phenols and alkylphenolpolyethoxylates.作者: 本能 時間: 2025-3-26 23:58
‘Around-the-Table’ Negotiationsproach are discussed in terms of specificity, sensitivity, reproducibility and accuracy. Full automation of the instrumental analyses as well as of the data calculation and presentation is also described.作者: Blatant 時間: 2025-3-27 02:37
Computerized Data Handling in Gas Chromatography/Mass Spectrometrysing of unresolved mixtures is reviewed. EPA published their experience of the analysis of aqueous samples by gc/ms. This problem, similar to that of Cost-action 64b is discussed in detail. Finally some aspects of the work of the working party “Computerized Data Processing” are given.作者: 擋泥板 時間: 2025-3-27 06:57
Determination of Organic Water Pollutants by the Combined Use of High-Performance Liquid Chromatograrmal- and reversed-phase separation systems in HPLC and the use of HPLC as a preparative separation before detailed analysis by HRGC and HRGC/MS. Several examples of such applications are presented including determinations of polycyclic aromatic hydrocarbons, oil hydrocarbons, alkyl phenols and alkylphenolpolyethoxylates.作者: obscurity 時間: 2025-3-27 12:46 作者: 眨眼 時間: 2025-3-27 14:18
https://doi.org/10.1007/978-1-4899-6130-3 survey of organic pollutants in groundwater is possible by means of a direct application of XAD or activated carbon in a sampling-well. The determination of concentration-developements concerning volatile organic substances in groundwater is practicable by continous sampling in gas-tight glass syri作者: 保存 時間: 2025-3-27 19:41 作者: Aqueous-Humor 時間: 2025-3-27 23:05
https://doi.org/10.1057/9780230379275m humic acids of various molecular weight fractions characteristic patterns of substituted phenols, cresols, styrenes are obtained. The detection limit is about 10 micrograms, the ratios of the most important peaks are reproducible with standard deviations of 10-–15%..The technique is generally appl作者: 阻止 時間: 2025-3-28 03:40
G. Angeletti (Directorate-General for Science),A. 作者: optional 時間: 2025-3-28 08:29
Conference proceedings 1984 some types of compounds. We think that the volume gives a rather complete overview of these activities in Europe. Moreover, the paper presented by D. Hunt reviews the development of the new technique mass spectrometry - mass spectrometry in the United States of America. Some special sessions concer作者: groggy 時間: 2025-3-28 13:55
oblems for some types of compounds. We think that the volume gives a rather complete overview of these activities in Europe. Moreover, the paper presented by D. Hunt reviews the development of the new technique mass spectrometry - mass spectrometry in the United States of America. Some special sessions concer978-94-009-6347-4978-94-009-6345-0作者: 使痛苦 時間: 2025-3-28 15:55 作者: 自由職業(yè)者 時間: 2025-3-28 21:54
Recent Progress in LC/MSzation systems show considerable potential for handling more difficult molecules and in providing improved detection limits. Advances in the use of atmospheric pressure ionization in this area are also described. Finally the utility of LC/MS in the environmental area is reviewed and analysis of test作者: 不法行為 時間: 2025-3-29 00:31
Characterisation of Non-Volatile Organics from Water by Pyrolysis-Gaschromatography-Mass Spectrometrm humic acids of various molecular weight fractions characteristic patterns of substituted phenols, cresols, styrenes are obtained. The detection limit is about 10 micrograms, the ratios of the most important peaks are reproducible with standard deviations of 10-–15%..The technique is generally appl作者: cacophony 時間: 2025-3-29 06:35 作者: modifier 時間: 2025-3-29 10:12 作者: painkillers 時間: 2025-3-29 12:24
Richard J. Wenning,Linda B. MartelloBefore giving the floor to the speakers of the sampling session I shall use this opportunity to describe the activities am results of working party I. This will also serve as a state-of-the-art report on sampling.作者: capsule 時間: 2025-3-29 18:02 作者: 指耕作 時間: 2025-3-29 23:07 作者: 推延 時間: 2025-3-30 01:57
Introductory Remarks on SamplingBefore giving the floor to the speakers of the sampling session I shall use this opportunity to describe the activities am results of working party I. This will also serve as a state-of-the-art report on sampling.作者: 蝕刻 時間: 2025-3-30 08:06
New Developments in Selective Detection in Capillary Gas ChromatographyThe importance of “selectivity” in capillary gas chromatography is emphasized. Some recent developments in selective detection are discussed.作者: Conquest 時間: 2025-3-30 08:45
Analysis of Organic Micropollutants by HPLCThe potential of HPLC as analytical method for the analysis of nonvolatile organic compounds in complex mixtures is discussed. The state of art to optimize the analysis via the number of theoretical plates of the separation column,via multicolumn operation and by applying selective detection is reviewed.作者: gait-cycle 時間: 2025-3-30 13:27 作者: Recess 時間: 2025-3-30 19:30
978-94-009-6347-4ECSC, EEC, EAEC, Brussels and Luxembourg 1984作者: angina-pectoris 時間: 2025-3-30 22:59 作者: 衰弱的心 時間: 2025-3-31 03:05 作者: concert 時間: 2025-3-31 06:28 作者: Peak-Bone-Mass 時間: 2025-3-31 11:21
David A. Vuletich,Juliette T. J. Lecomted by methods involving shaking with solvents or ultrasonic agitation, and steam distillation. The ultrasonic agitation gave similar results to shaking but showed considerable savings in time. Steam distillation gave cleaner extracts but with lower recoveries and it did not remove the heavier PAR fro作者: 法律 時間: 2025-3-31 15:51
https://doi.org/10.1007/0-387-32824-6ed in detail, in particular with respect to deactivation of columns for direct injection of aqueous solution. In addition, the various injection techniques, their advantages and problems, are summarized. Finally, the relations between commercial and laboratory made columns are discussed.作者: bourgeois 時間: 2025-3-31 17:58
Lijun Li,Hans-Ulrich Demuth,Zofia Zukowska lyophilized aqueous solutions are volatilized directly into the ion source of the triple quadrupole instrument. Allor most wet chemical and chromatographic separation steps are eliminated. Analysis of organics by functional group and molecular weight is accomplished using the technique of collision作者: 接合 時間: 2025-4-1 01:13 作者: 憤怒事實 時間: 2025-4-1 02:28
Lijun Li,Hans-Ulrich Demuth,Zofia Zukowska of the quality of mass spectra in a mass spectral data base are discussed. Due to the complex mixture of organic pollutants the automatic data processing of unresolved mixtures is reviewed. EPA published their experience of the analysis of aqueous samples by gc/ms. This problem, similar to that of 作者: 比目魚 時間: 2025-4-1 06:48
Oliver Baum,Werner Reutter,Felix Bermpohls of complex mixtures of organic chemicals commonly encountered in environmental samples. Of particular benefit is the complementary application of normal- and reversed-phase separation systems in HPLC and the use of HPLC as a preparative separation before detailed analysis by HRGC and HRGC/MS. Seve作者: Omnipotent 時間: 2025-4-1 11:44 作者: Monocle 時間: 2025-4-1 16:16
