Pesticide Analytical Methodology

Title Page......Page 1
Half Title Page......Page 3
Copyright......Page 4
ACS Symposium Series......Page 5
FOREWORD......Page 6
PdftkEmptyString......Page 0
PREFACE......Page 7
Modern High-Performance Liquid Chromatography in Pesticide Metabolism Studies......Page 9
The Radiochromatograph......Page 10
Flow Cells for Radiochromatographs......Page 11
Operational Problems of the Radiochromatograph......Page 14
HPLC Versatility......Page 15
Separation Strategy......Page 17
Applications of HPLC to Pesticide Metabolism Problems......Page 18
Literature Cited......Page 22
Unit Operations......Page 23
The Automation of HPLC......Page 24
Combining Unit Operations......Page 27
Literature Cited......Page 37
3 Performance Evaluation of Liquid Chromatographic Columns......Page 39
COLUMN EFFICIENCY......Page 40
PEAK SYMMETRY......Page 42
COLUMN STABILITY......Page 45
COLUMN REPRODUCIBILITIES......Page 47
SUMMARY......Page 51
LITERATURE CITED......Page 52
Primary Equilibria......Page 53
Secondary Equilibria......Page 59
\"Literature Cited\"......Page 62
Basic Concepts......Page 64
Phenolic Residues......Page 72
Aromatic Amine Residues......Page 78
Electroreducible Residues......Page 82
Acknowledgement......Page 90
Literature Cited......Page 93
6 A Critical Comparison of Pre-Column and Post-Column Fluorogenic Labeling for the HPLC Analysis of Pesticide Residues......Page 96
Apparatus and Reagents......Page 97
Experimental......Page 98
Results and Discussion......Page 100
Conclusions......Page 108
Literature Cited......Page 109
Abstract......Page 110
Experimental Instrumentation......Page 112
Determination of Carbaryl in Food Products......Page 114
Results and Discussion......Page 117
Acknowledgments......Page 132
Literature Cited......Page 133
Theory of Fluorescence......Page 134
Instruments for Measuring Fluorescence on Thin-Layer Chromatograms......Page 136
The Fluorescence of Pesticides on Thin-Layer Chromatograms......Page 140
Residue Methods......Page 158
Conclusion......Page 160
Literature Cited......Page 161
1. Introduction......Page 165
3. HPTLC pre-coated plates silica gel 60......Page 166
4. HPTLC pre-coated plates RP......Page 169
5. HPTLC pre-coated plates cellulose......Page 173
6. HPTLC pre-coated plates silica gel 60 with concentrating zone......Page 174
Literature Cited......Page 181
10 Analysis of Pesticidal Residues in the Air Near Agricultural Treatment Sites......Page 183
Methods of Sampling and Analysis......Page 184
Particulates......Page 185
Vapors......Page 187
Field Applications......Page 195
Conclusions......Page 207
Literature Cited......Page 208
11 New Technology for Pesticide Residue Cleanup Procedures......Page 215
Microcolumn Cleanup......Page 216
TLC Results......Page 218
Continuous Flow Cleanup......Page 219
Application of Macroporous Silica Gels......Page 221
Fortification Studies......Page 226
Data Acquisition and Analysis System......Page 230
References......Page 235
12 Chemical Derivatization Techniques in Pesticide Analysis Advances and Applications......Page 236
Herbicides......Page 237
Organochlorine Insecticides and Related Compounds......Page 240
Organophosphorus and Carbamate Insecticides......Page 244
Phenols and Fungicides......Page 248
LITERATURE CITED......Page 252
13 Development of Analytical Methodology for Assessment of Human Exposure to Pesticides......Page 255
Literature Cited......Page 260
14 Distribution of Pesticides in Human Organs as Determined by Quantitative Thin-Layer Chromatography......Page 262
Preparation of Thin Layer Plates......Page 269
Rf Values......Page 270
Data of Distribution of Pesticides in Tissues......Page 272
Discussion......Page 273
Acknowledgement......Page 276
Literature Cited......Page 277
15 The Determination of 2,3,7,8-Tetrachlorodibenzo-p-dioxin in Human Milk......Page 280
EXPERIMENTAL......Page 281
RESULTS AND DISCUSSION......Page 285
Abstract......Page 287
LITERATURE CITED......Page 288
16 Reduction of Radioactive Metabolic Data Using A Desk-Top Computer Network......Page 289
Hardware......Page 290
Software......Page 292
Conclusions......Page 296
Literature Cited......Page 300
17 Some Applications of Fourier Transform Infrared Spectroscopy to Pesticide Analysis......Page 301
Formulations......Page 304
Gas Evolution......Page 311
Micro Sampling With Applications To Metabolite Studies......Page 313
Conclusions......Page 317
Literature Cited......Page 322
18 Potential of Immunochemical Technology for Pesticide Analysis......Page 323
Methodology of Antibody Formation......Page 324
Attributes and Limitations of Immunoassay......Page 345
Acknowledgements......Page 350
Literature Cited......Page 351
19 Negative Ion Mass Spectrometry......Page 355
LITERATURE CITED......Page 367
20 Analysis of Organotin Pesticide Residues by Gas Chromatography/Mass Spectrometry......Page 369
Methods and Procedures:......Page 370
Conversion of TPTCl to TPTM:......Page 372
Results and Discussion:......Page 373
Tricyclohexyltin Hydroxide (TCTH IV ):......Page 379
Conclusion:......Page 385
Literature Cited:......Page 390
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J......Page 399
M......Page 400
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Ρ......Page 402
R......Page 404
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U......Page 407
X......Page 408