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Determination of trace elements [[electronic resource] /] / edited by Zeev B. Alfassi
Determination of trace elements [[electronic resource] /] / edited by Zeev B. Alfassi
Pubbl/distr/stampa Rehovot, Israel, : Balaban Publishers
Descrizione fisica 1 online resource (623 p.)
Disciplina 543
Altri autori (Persone) AlfassiZeev B
Soggetto topico Trace elements - Analysis
Trace elements - Speciation
Soggetto genere / forma Electronic books.
ISBN 1-281-75877-9
9786611758776
3-527-61577-6
3-527-61576-8
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Determination of Trace Elements; Contents; 1. Systematic errors in trace analysis; 1.1 Introduction; 1.1.1 General aspects of extreme trace analysis; 1.1.2 Direct instrumental determination methods; 1.1.3 Multi-stage procedures; 1.1.4 Further general important statements; 1.2 Systematic errors and their avoidance; 1.2.1 Volatilization; 1.2.2 Adsorption; 1.2.3 Blanks from vessels, vessel materials and working tools; 1.2.4 Blanks from the reagents; 1.2.5 Blanks from airborne dust; 1.2.6 Contamination by sample handling; 1.2.7 Problems due to changes of the valency state
1.3 Systematic errors during the analytical procedure1.3.1 Sampling, sample storage and Pretreatment; 1.3.2 Decomposition; 1.3.3 Separation; 1.4 Basic rules for the recognition and elimination of systematic errors; 1.5 Conclusion; 2. Limits of detection and accuracy in trace elements analysis; 2.1 Introduction; 2.2 Errors in analytical results; 2.3 Accuracy; 2.4 Measuring trace concentrations; 2.5 The problem of detection; 2.5.1 Random error of blank responses; 2.5.2 Errors of the first kind - the critical level (a posteriori detection)
2.5.3 Errors of the second kind - the limit of detection (a priori detection)2 5.4 Limits to the use of the definitions of Lc atid LD; 2 5.5 Regression theory approaches to the problem of detection; 2.6 Practical applications; 2.7 Reporting results at small concentrations; 2.8 Conclusions and recommendations; Sampling and sample preparation; 3.1 Introduction; 3.2 Changes in trace element composition; 3.2.1 Element specific changes; 3.2.2 Sample specific changes; 3.3 Pre-sampling considerations; 3.4 Aspects of sampling; 3.4.1 Establishment of analytical control
3.4.2 Sampling error in a test portion3.4.3 Uniformity of laboratory samples; 3.4.4 Uniformity of subsamples; 3.4.5 The gross sample; 3.5 Sample decomposition; 4. Separation and preconcentration of trace elements; 4.1 Separation and preconcentration of trace elements by coprecipitation; 4.1.1 Introduction; 4.1.2 Mechanism; 4.1.3 Coprecipitation with inorganic precipitants; 4.1.4 Coprecipitation with organic collectors; 4.2 Separation and preconcentration of trace elements by flotation; 4.2.1 Introduction; 4.2.2 Principle; 4.2.3 General procedures
4.3 Preconcentration and separation of trace elements by solvent extraction4.3.1 Introduction; 4.3.2 Extraction of trace elements; 4.4 Separation and preconcentration of trace elements by ion-exchange; 4.4.1 Introduction; 4.4.2 Ion-exchange resins; 4.4.3 Equilibrium and selectivity; 4.4.4 Practical column operation; 4.4.5 Preconcentration; 4.4.6 Ion chromatography; 4.5 Separation and preconcentration by sorption; 4.5.1 Introduction; 4.5.2 Activated carbon; 4.5.3 Porous polymers; 4.5.4 Complex-forming adsorbents; 4.5.5 Natural polymers
5. Determination of trace elements by atomic absorption spectrometry
Record Nr. UNINA-9910143972003321
Rehovot, Israel, : Balaban Publishers
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Determination of trace elements [[electronic resource] /] / edited by Zeev B. Alfassi
Determination of trace elements [[electronic resource] /] / edited by Zeev B. Alfassi
Pubbl/distr/stampa Rehovot, Israel, : Balaban Publishers
Descrizione fisica 1 online resource (623 p.)
Disciplina 543
Altri autori (Persone) AlfassiZeev B
Soggetto topico Trace elements - Analysis
Trace elements - Speciation
ISBN 1-281-75877-9
9786611758776
3-527-61577-6
3-527-61576-8
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Determination of Trace Elements; Contents; 1. Systematic errors in trace analysis; 1.1 Introduction; 1.1.1 General aspects of extreme trace analysis; 1.1.2 Direct instrumental determination methods; 1.1.3 Multi-stage procedures; 1.1.4 Further general important statements; 1.2 Systematic errors and their avoidance; 1.2.1 Volatilization; 1.2.2 Adsorption; 1.2.3 Blanks from vessels, vessel materials and working tools; 1.2.4 Blanks from the reagents; 1.2.5 Blanks from airborne dust; 1.2.6 Contamination by sample handling; 1.2.7 Problems due to changes of the valency state
1.3 Systematic errors during the analytical procedure1.3.1 Sampling, sample storage and Pretreatment; 1.3.2 Decomposition; 1.3.3 Separation; 1.4 Basic rules for the recognition and elimination of systematic errors; 1.5 Conclusion; 2. Limits of detection and accuracy in trace elements analysis; 2.1 Introduction; 2.2 Errors in analytical results; 2.3 Accuracy; 2.4 Measuring trace concentrations; 2.5 The problem of detection; 2.5.1 Random error of blank responses; 2.5.2 Errors of the first kind - the critical level (a posteriori detection)
2.5.3 Errors of the second kind - the limit of detection (a priori detection)2 5.4 Limits to the use of the definitions of Lc atid LD; 2 5.5 Regression theory approaches to the problem of detection; 2.6 Practical applications; 2.7 Reporting results at small concentrations; 2.8 Conclusions and recommendations; Sampling and sample preparation; 3.1 Introduction; 3.2 Changes in trace element composition; 3.2.1 Element specific changes; 3.2.2 Sample specific changes; 3.3 Pre-sampling considerations; 3.4 Aspects of sampling; 3.4.1 Establishment of analytical control
3.4.2 Sampling error in a test portion3.4.3 Uniformity of laboratory samples; 3.4.4 Uniformity of subsamples; 3.4.5 The gross sample; 3.5 Sample decomposition; 4. Separation and preconcentration of trace elements; 4.1 Separation and preconcentration of trace elements by coprecipitation; 4.1.1 Introduction; 4.1.2 Mechanism; 4.1.3 Coprecipitation with inorganic precipitants; 4.1.4 Coprecipitation with organic collectors; 4.2 Separation and preconcentration of trace elements by flotation; 4.2.1 Introduction; 4.2.2 Principle; 4.2.3 General procedures
4.3 Preconcentration and separation of trace elements by solvent extraction4.3.1 Introduction; 4.3.2 Extraction of trace elements; 4.4 Separation and preconcentration of trace elements by ion-exchange; 4.4.1 Introduction; 4.4.2 Ion-exchange resins; 4.4.3 Equilibrium and selectivity; 4.4.4 Practical column operation; 4.4.5 Preconcentration; 4.4.6 Ion chromatography; 4.5 Separation and preconcentration by sorption; 4.5.1 Introduction; 4.5.2 Activated carbon; 4.5.3 Porous polymers; 4.5.4 Complex-forming adsorbents; 4.5.5 Natural polymers
5. Determination of trace elements by atomic absorption spectrometry
Record Nr. UNISA-996205357603316
Rehovot, Israel, : Balaban Publishers
Materiale a stampa
Lo trovi qui: Univ. di Salerno
Opac: Controlla la disponibilità qui
Determination of trace elements [[electronic resource] /] / edited by Zeev B. Alfassi
Determination of trace elements [[electronic resource] /] / edited by Zeev B. Alfassi
Pubbl/distr/stampa Rehovot, Israel, : Balaban Publishers
Descrizione fisica 1 online resource (623 p.)
Disciplina 543
Altri autori (Persone) AlfassiZeev B
Soggetto topico Trace elements - Analysis
Trace elements - Speciation
ISBN 1-281-75877-9
9786611758776
3-527-61577-6
3-527-61576-8
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Determination of Trace Elements; Contents; 1. Systematic errors in trace analysis; 1.1 Introduction; 1.1.1 General aspects of extreme trace analysis; 1.1.2 Direct instrumental determination methods; 1.1.3 Multi-stage procedures; 1.1.4 Further general important statements; 1.2 Systematic errors and their avoidance; 1.2.1 Volatilization; 1.2.2 Adsorption; 1.2.3 Blanks from vessels, vessel materials and working tools; 1.2.4 Blanks from the reagents; 1.2.5 Blanks from airborne dust; 1.2.6 Contamination by sample handling; 1.2.7 Problems due to changes of the valency state
1.3 Systematic errors during the analytical procedure1.3.1 Sampling, sample storage and Pretreatment; 1.3.2 Decomposition; 1.3.3 Separation; 1.4 Basic rules for the recognition and elimination of systematic errors; 1.5 Conclusion; 2. Limits of detection and accuracy in trace elements analysis; 2.1 Introduction; 2.2 Errors in analytical results; 2.3 Accuracy; 2.4 Measuring trace concentrations; 2.5 The problem of detection; 2.5.1 Random error of blank responses; 2.5.2 Errors of the first kind - the critical level (a posteriori detection)
2.5.3 Errors of the second kind - the limit of detection (a priori detection)2 5.4 Limits to the use of the definitions of Lc atid LD; 2 5.5 Regression theory approaches to the problem of detection; 2.6 Practical applications; 2.7 Reporting results at small concentrations; 2.8 Conclusions and recommendations; Sampling and sample preparation; 3.1 Introduction; 3.2 Changes in trace element composition; 3.2.1 Element specific changes; 3.2.2 Sample specific changes; 3.3 Pre-sampling considerations; 3.4 Aspects of sampling; 3.4.1 Establishment of analytical control
3.4.2 Sampling error in a test portion3.4.3 Uniformity of laboratory samples; 3.4.4 Uniformity of subsamples; 3.4.5 The gross sample; 3.5 Sample decomposition; 4. Separation and preconcentration of trace elements; 4.1 Separation and preconcentration of trace elements by coprecipitation; 4.1.1 Introduction; 4.1.2 Mechanism; 4.1.3 Coprecipitation with inorganic precipitants; 4.1.4 Coprecipitation with organic collectors; 4.2 Separation and preconcentration of trace elements by flotation; 4.2.1 Introduction; 4.2.2 Principle; 4.2.3 General procedures
4.3 Preconcentration and separation of trace elements by solvent extraction4.3.1 Introduction; 4.3.2 Extraction of trace elements; 4.4 Separation and preconcentration of trace elements by ion-exchange; 4.4.1 Introduction; 4.4.2 Ion-exchange resins; 4.4.3 Equilibrium and selectivity; 4.4.4 Practical column operation; 4.4.5 Preconcentration; 4.4.6 Ion chromatography; 4.5 Separation and preconcentration by sorption; 4.5.1 Introduction; 4.5.2 Activated carbon; 4.5.3 Porous polymers; 4.5.4 Complex-forming adsorbents; 4.5.5 Natural polymers
5. Determination of trace elements by atomic absorption spectrometry
Record Nr. UNINA-9910830125603321
Rehovot, Israel, : Balaban Publishers
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Determination of trace elements / / edited by Zeev B. Alfassi
Determination of trace elements / / edited by Zeev B. Alfassi
Pubbl/distr/stampa Rehovot, Israel, : Balaban Publishers
Descrizione fisica 1 online resource (623 p.)
Disciplina 543
Altri autori (Persone) AlfassiZeev B
Soggetto topico Trace elements - Analysis
Trace elements - Speciation
ISBN 1-281-75877-9
9786611758776
3-527-61577-6
3-527-61576-8
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Determination of Trace Elements; Contents; 1. Systematic errors in trace analysis; 1.1 Introduction; 1.1.1 General aspects of extreme trace analysis; 1.1.2 Direct instrumental determination methods; 1.1.3 Multi-stage procedures; 1.1.4 Further general important statements; 1.2 Systematic errors and their avoidance; 1.2.1 Volatilization; 1.2.2 Adsorption; 1.2.3 Blanks from vessels, vessel materials and working tools; 1.2.4 Blanks from the reagents; 1.2.5 Blanks from airborne dust; 1.2.6 Contamination by sample handling; 1.2.7 Problems due to changes of the valency state
1.3 Systematic errors during the analytical procedure1.3.1 Sampling, sample storage and Pretreatment; 1.3.2 Decomposition; 1.3.3 Separation; 1.4 Basic rules for the recognition and elimination of systematic errors; 1.5 Conclusion; 2. Limits of detection and accuracy in trace elements analysis; 2.1 Introduction; 2.2 Errors in analytical results; 2.3 Accuracy; 2.4 Measuring trace concentrations; 2.5 The problem of detection; 2.5.1 Random error of blank responses; 2.5.2 Errors of the first kind - the critical level (a posteriori detection)
2.5.3 Errors of the second kind - the limit of detection (a priori detection)2 5.4 Limits to the use of the definitions of Lc atid LD; 2 5.5 Regression theory approaches to the problem of detection; 2.6 Practical applications; 2.7 Reporting results at small concentrations; 2.8 Conclusions and recommendations; Sampling and sample preparation; 3.1 Introduction; 3.2 Changes in trace element composition; 3.2.1 Element specific changes; 3.2.2 Sample specific changes; 3.3 Pre-sampling considerations; 3.4 Aspects of sampling; 3.4.1 Establishment of analytical control
3.4.2 Sampling error in a test portion3.4.3 Uniformity of laboratory samples; 3.4.4 Uniformity of subsamples; 3.4.5 The gross sample; 3.5 Sample decomposition; 4. Separation and preconcentration of trace elements; 4.1 Separation and preconcentration of trace elements by coprecipitation; 4.1.1 Introduction; 4.1.2 Mechanism; 4.1.3 Coprecipitation with inorganic precipitants; 4.1.4 Coprecipitation with organic collectors; 4.2 Separation and preconcentration of trace elements by flotation; 4.2.1 Introduction; 4.2.2 Principle; 4.2.3 General procedures
4.3 Preconcentration and separation of trace elements by solvent extraction4.3.1 Introduction; 4.3.2 Extraction of trace elements; 4.4 Separation and preconcentration of trace elements by ion-exchange; 4.4.1 Introduction; 4.4.2 Ion-exchange resins; 4.4.3 Equilibrium and selectivity; 4.4.4 Practical column operation; 4.4.5 Preconcentration; 4.4.6 Ion chromatography; 4.5 Separation and preconcentration by sorption; 4.5.1 Introduction; 4.5.2 Activated carbon; 4.5.3 Porous polymers; 4.5.4 Complex-forming adsorbents; 4.5.5 Natural polymers
5. Determination of trace elements by atomic absorption spectrometry
Record Nr. UNINA-9910877256503321
Rehovot, Israel, : Balaban Publishers
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Development of analytical methods for trace elements and elemental species in foods ... annual report
Development of analytical methods for trace elements and elemental species in foods ... annual report
Pubbl/distr/stampa [Washington, D.C.], : U.S. Dept. of Agriculture, Agricultural Research Service
Descrizione fisica : HTML files
Disciplina 363.19
Soggetto topico Trace elements - Analysis
Trace elements - Speciation
Food - Composition - Analysis - Methodology
Soggetto genere / forma Periodicals.
ISSN 1947-069X
Formato Materiale a stampa
Livello bibliografico Periodico
Lingua di pubblicazione eng
Record Nr. UNINA-9910698687603321
[Washington, D.C.], : U.S. Dept. of Agriculture, Agricultural Research Service
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Environmental sampling for trace analysis / / edited by Bernd Markert
Environmental sampling for trace analysis / / edited by Bernd Markert
Pubbl/distr/stampa Weinheim, [Germany] : , : VCH, , 1994
Descrizione fisica 1 online resource (558 p.)
Disciplina 615.902
628.015118
Soggetto topico Environmental monitoring
Trace elements - Analysis
Soggetto genere / forma Electronic books.
ISBN 1-281-84292-3
9786611842925
3-527-61587-3
3-527-61586-5
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Environmental Sampling for Trace Analysis; Contents; List of Contributors; Part I: Historical Aspects; 1 History of Sampling Demonstrated on the Ore Mining Industry - Empirical and Theoretical Approaches; Part II: General Aspects; 2 General Aspects of Environmental Sampling; 2.1 Introduction; 2.2 Terms and Definitions; 2.3 Aspects of Sampling; 2.3.1 Location, Place, and Position of Sample Removal; 2.3.2 Size, Quantity, and Volume of the Sample; 2.3.3 Number of Samples to be Taken; 2.3.4 Time, Duration, and Frequency of Sampling; 2.3.5 Homogeneity of the Sample
2.3.6 Contamination of the Sample2.3.7 Losses in the Sample; 2.3.8 Sample Storage and Conservation; 2.4 Guidelines and Norms; 2.4.1 Quality Assurance; 2.4.2 Environmental Protection; 2.5 References; 2.6 Appendix; 3 Trace Elements Need Trace Analysis; 3.1 Problems of Trace Element Analysis; 3.1.1 Introduction; 3.1.2 Problems of Biological Analysis; 3.1.3 Indicator Organs in Biological Evaluation; 3.2 The Importance of Trace Elements; 3.2.1 Introduction; 3.2.2 Criteria of Essentiality and Beneficiality; 3.2.3 Critcria of Toxicity; 3.2.4 Changes in Element Concentrations
3.2.5 The Importance of Trace Elements in the Environment3.2.6 Interactions between Differcnt Elements; 3.2.7 The Importancc of Interdisciplinary Trace Element Research; 3.3 References; 4 Error Estimation in Environmental Sampling and Analysis; 4. I Introduction; 4.2 Basic Concepts and Terminology; 4.3 Sampling Error in Context; 4.4 Methods for Estimating Quality of Measurements; 4.4.1 Measuring Analytical Precision; 4.4.2 Measuring Sampling Precision; 4.4.3 Targets for Acceptable Levels of Prccision in Sampling and Analysis; 4.4.4 Measuring Analytical Bias; 4.4.5 Estimating Sampling Bias
4.5 Targets for Acceptable Levels of Bias in Sampling and Analysis4.6 Conclusions; 4.7 References; 5 Estimation with Varying Detection Limits; 5.1 Introduction; 5.2 Methodology; 5.2.1 The One-Dimensional Case; 5.2.2 The Bivariate Case; 5.3 Examples; 5.4 Discussion; 5.5 References; 5.6 Appendix; Part III : Examples for Sampling; A. Air; 6 Particle and Gas Measurements on Filters; 6.1 Introduction; 6.2 Filter Analysis Methods; 6.2.1 Mass; 6.2.2 Elements; 6.2.3 Water Soluble Ions; 6.2.4 Organic and Elemental Carbon; 6.3 Filter Media; 6.4 Aerosol Sampling Systems; 6.4.1 Size-Selective Inlets
6.4.2 Sampling Surfaces6.4.3 Filter Holders; 6.4.4 Pumps and Flow Controllers; 6.4.5 Sampler Configurations; 6.5 Sampling and Analysis Procedures; 6.6 Summary; 6.7 References; 7 Organic Gas Sampling; 7.1 Introduction; 7.2 Whole-Air Sampling; 7.2.1 Sampling Media Selection and Preparation; 7.2.2 Sampling; 7.2.3 Storage and Transport; 7.3 Preconcentration Methods; 7.3.1 Preconcentration on Nonselective Solid Adsorbents; 7.3.1.1 Sampling Media Selection and Preparation; 7.3.1.2 Sampling; 7.3.1.3 Storage and Transport; 7.3.2 Selective Methods of Compound Preconcentration
7.3.2.1 Sampling Media Selection and Preparation
Record Nr. UNINA-9910143971403321
Weinheim, [Germany] : , : VCH, , 1994
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Environmental sampling for trace analysis / / edited by Bernd Markert
Environmental sampling for trace analysis / / edited by Bernd Markert
Pubbl/distr/stampa Weinheim, [Germany] : , : VCH, , 1994
Descrizione fisica 1 online resource (558 p.)
Disciplina 615.902
628.015118
Soggetto topico Environmental monitoring
Trace elements - Analysis
ISBN 1-281-84292-3
9786611842925
3-527-61587-3
3-527-61586-5
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Environmental Sampling for Trace Analysis; Contents; List of Contributors; Part I: Historical Aspects; 1 History of Sampling Demonstrated on the Ore Mining Industry - Empirical and Theoretical Approaches; Part II: General Aspects; 2 General Aspects of Environmental Sampling; 2.1 Introduction; 2.2 Terms and Definitions; 2.3 Aspects of Sampling; 2.3.1 Location, Place, and Position of Sample Removal; 2.3.2 Size, Quantity, and Volume of the Sample; 2.3.3 Number of Samples to be Taken; 2.3.4 Time, Duration, and Frequency of Sampling; 2.3.5 Homogeneity of the Sample
2.3.6 Contamination of the Sample2.3.7 Losses in the Sample; 2.3.8 Sample Storage and Conservation; 2.4 Guidelines and Norms; 2.4.1 Quality Assurance; 2.4.2 Environmental Protection; 2.5 References; 2.6 Appendix; 3 Trace Elements Need Trace Analysis; 3.1 Problems of Trace Element Analysis; 3.1.1 Introduction; 3.1.2 Problems of Biological Analysis; 3.1.3 Indicator Organs in Biological Evaluation; 3.2 The Importance of Trace Elements; 3.2.1 Introduction; 3.2.2 Criteria of Essentiality and Beneficiality; 3.2.3 Critcria of Toxicity; 3.2.4 Changes in Element Concentrations
3.2.5 The Importance of Trace Elements in the Environment3.2.6 Interactions between Differcnt Elements; 3.2.7 The Importancc of Interdisciplinary Trace Element Research; 3.3 References; 4 Error Estimation in Environmental Sampling and Analysis; 4. I Introduction; 4.2 Basic Concepts and Terminology; 4.3 Sampling Error in Context; 4.4 Methods for Estimating Quality of Measurements; 4.4.1 Measuring Analytical Precision; 4.4.2 Measuring Sampling Precision; 4.4.3 Targets for Acceptable Levels of Prccision in Sampling and Analysis; 4.4.4 Measuring Analytical Bias; 4.4.5 Estimating Sampling Bias
4.5 Targets for Acceptable Levels of Bias in Sampling and Analysis4.6 Conclusions; 4.7 References; 5 Estimation with Varying Detection Limits; 5.1 Introduction; 5.2 Methodology; 5.2.1 The One-Dimensional Case; 5.2.2 The Bivariate Case; 5.3 Examples; 5.4 Discussion; 5.5 References; 5.6 Appendix; Part III : Examples for Sampling; A. Air; 6 Particle and Gas Measurements on Filters; 6.1 Introduction; 6.2 Filter Analysis Methods; 6.2.1 Mass; 6.2.2 Elements; 6.2.3 Water Soluble Ions; 6.2.4 Organic and Elemental Carbon; 6.3 Filter Media; 6.4 Aerosol Sampling Systems; 6.4.1 Size-Selective Inlets
6.4.2 Sampling Surfaces6.4.3 Filter Holders; 6.4.4 Pumps and Flow Controllers; 6.4.5 Sampler Configurations; 6.5 Sampling and Analysis Procedures; 6.6 Summary; 6.7 References; 7 Organic Gas Sampling; 7.1 Introduction; 7.2 Whole-Air Sampling; 7.2.1 Sampling Media Selection and Preparation; 7.2.2 Sampling; 7.2.3 Storage and Transport; 7.3 Preconcentration Methods; 7.3.1 Preconcentration on Nonselective Solid Adsorbents; 7.3.1.1 Sampling Media Selection and Preparation; 7.3.1.2 Sampling; 7.3.1.3 Storage and Transport; 7.3.2 Selective Methods of Compound Preconcentration
7.3.2.1 Sampling Media Selection and Preparation
Record Nr. UNISA-996205357103316
Weinheim, [Germany] : , : VCH, , 1994
Materiale a stampa
Lo trovi qui: Univ. di Salerno
Opac: Controlla la disponibilità qui
Environmental sampling for trace analysis / / edited by Bernd Markert
Environmental sampling for trace analysis / / edited by Bernd Markert
Pubbl/distr/stampa Weinheim, [Germany] : , : VCH, , 1994
Descrizione fisica 1 online resource (558 p.)
Disciplina 615.902
628.015118
Soggetto topico Environmental monitoring
Trace elements - Analysis
ISBN 1-281-84292-3
9786611842925
3-527-61587-3
3-527-61586-5
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Environmental Sampling for Trace Analysis; Contents; List of Contributors; Part I: Historical Aspects; 1 History of Sampling Demonstrated on the Ore Mining Industry - Empirical and Theoretical Approaches; Part II: General Aspects; 2 General Aspects of Environmental Sampling; 2.1 Introduction; 2.2 Terms and Definitions; 2.3 Aspects of Sampling; 2.3.1 Location, Place, and Position of Sample Removal; 2.3.2 Size, Quantity, and Volume of the Sample; 2.3.3 Number of Samples to be Taken; 2.3.4 Time, Duration, and Frequency of Sampling; 2.3.5 Homogeneity of the Sample
2.3.6 Contamination of the Sample2.3.7 Losses in the Sample; 2.3.8 Sample Storage and Conservation; 2.4 Guidelines and Norms; 2.4.1 Quality Assurance; 2.4.2 Environmental Protection; 2.5 References; 2.6 Appendix; 3 Trace Elements Need Trace Analysis; 3.1 Problems of Trace Element Analysis; 3.1.1 Introduction; 3.1.2 Problems of Biological Analysis; 3.1.3 Indicator Organs in Biological Evaluation; 3.2 The Importance of Trace Elements; 3.2.1 Introduction; 3.2.2 Criteria of Essentiality and Beneficiality; 3.2.3 Critcria of Toxicity; 3.2.4 Changes in Element Concentrations
3.2.5 The Importance of Trace Elements in the Environment3.2.6 Interactions between Differcnt Elements; 3.2.7 The Importancc of Interdisciplinary Trace Element Research; 3.3 References; 4 Error Estimation in Environmental Sampling and Analysis; 4. I Introduction; 4.2 Basic Concepts and Terminology; 4.3 Sampling Error in Context; 4.4 Methods for Estimating Quality of Measurements; 4.4.1 Measuring Analytical Precision; 4.4.2 Measuring Sampling Precision; 4.4.3 Targets for Acceptable Levels of Prccision in Sampling and Analysis; 4.4.4 Measuring Analytical Bias; 4.4.5 Estimating Sampling Bias
4.5 Targets for Acceptable Levels of Bias in Sampling and Analysis4.6 Conclusions; 4.7 References; 5 Estimation with Varying Detection Limits; 5.1 Introduction; 5.2 Methodology; 5.2.1 The One-Dimensional Case; 5.2.2 The Bivariate Case; 5.3 Examples; 5.4 Discussion; 5.5 References; 5.6 Appendix; Part III : Examples for Sampling; A. Air; 6 Particle and Gas Measurements on Filters; 6.1 Introduction; 6.2 Filter Analysis Methods; 6.2.1 Mass; 6.2.2 Elements; 6.2.3 Water Soluble Ions; 6.2.4 Organic and Elemental Carbon; 6.3 Filter Media; 6.4 Aerosol Sampling Systems; 6.4.1 Size-Selective Inlets
6.4.2 Sampling Surfaces6.4.3 Filter Holders; 6.4.4 Pumps and Flow Controllers; 6.4.5 Sampler Configurations; 6.5 Sampling and Analysis Procedures; 6.6 Summary; 6.7 References; 7 Organic Gas Sampling; 7.1 Introduction; 7.2 Whole-Air Sampling; 7.2.1 Sampling Media Selection and Preparation; 7.2.2 Sampling; 7.2.3 Storage and Transport; 7.3 Preconcentration Methods; 7.3.1 Preconcentration on Nonselective Solid Adsorbents; 7.3.1.1 Sampling Media Selection and Preparation; 7.3.1.2 Sampling; 7.3.1.3 Storage and Transport; 7.3.2 Selective Methods of Compound Preconcentration
7.3.2.1 Sampling Media Selection and Preparation
Record Nr. UNINA-9910831187003321
Weinheim, [Germany] : , : VCH, , 1994
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Final data report for the Vieques Island biota sampling project [[electronic resource] ] : Vieques Island, Puerto Rico / / prepared by National Oceanic and Atmospheric Administration, National Ocean Service, Office of Response and Restoration and RIDOLFI Inc
Final data report for the Vieques Island biota sampling project [[electronic resource] ] : Vieques Island, Puerto Rico / / prepared by National Oceanic and Atmospheric Administration, National Ocean Service, Office of Response and Restoration and RIDOLFI Inc
Pubbl/distr/stampa [Silver Spring, Md.] : , : U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Ocean Service, Office of Response and Restoration, , [2006]
Descrizione fisica 1 online resource (85 unnumbered pages)
Soggetto topico Trace elements - Analysis
Crabs - Environmental aspects - Puerto Rico - Vieques Island
Gecarcinidae - Puerto Rico - Vieques Island
Fiddler crabs - Puerto Rico - Vieques Island
Water - Pollution - Puerto Rico - Vieques Island
Marine ecology - Puerto Rico - Vieques Island
Coastal zone management - Puerto Rico - Vieques Island
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Altri titoli varianti Final data report for the Vieques Island biota sampling project
Record Nr. UNINA-9910701290003321
[Silver Spring, Md.] : , : U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Ocean Service, Office of Response and Restoration, , [2006]
Materiale a stampa
Lo trovi qui: Univ. Federico II
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Geochemistry of minor and trace elements of 22 core samples from the Monterey Formation and related rocks in the Santa Maria Basin, California / / by Joel S. Leventhal
Geochemistry of minor and trace elements of 22 core samples from the Monterey Formation and related rocks in the Santa Maria Basin, California / / by Joel S. Leventhal
Autore Leventhal Joel S.
Pubbl/distr/stampa [Reston, Va.] : , : Department of the Interior, U.S. Geological Survey
Descrizione fisica 1 online resource (iii, 11 pages) : illustrations, maps
Collana Studies of uranium content and geochemistry of the Monterey Formation, California
U.S. Geological Survey bulletin
Soggetto topico Geochemistry - California - Santa Maria Basin
Trace elements - Analysis
Geochemistry
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Altri titoli varianti Geochemistry of minor and trace elements of twenty-two core samples from the Monterey Formation and related rocks in the Santa Maria Basin, California
Chapter B
Record Nr. UNINA-9910704038903321
Leventhal Joel S.  
[Reston, Va.] : , : Department of the Interior, U.S. Geological Survey
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui