Journal of AOAC International

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  Año 1999, Vol. 82, Número 1

  • Identification and Semiquantitative Estimation of Antibiotics Added to Complete Feeds, Premixes, and Concentrates

    págs. 1-8

    

  • Screening Nitrate in Forages with a Test Strip: Collaborative Study

    págs. 9-16

    

  • Thin-Layer Chromatographic Determination of Catecholamines, 5-Hydroxytryptamine, and Their Metabolites in Biological Samples

    págs. 17-24

    

  • Validation of Thin-Layer Chromatography Quantitation Determination with CCD Camera and Slit-Scanning Densitometer

    págs. 25-30

    

  • Reversed-Phase Thin-Layer Chromatography with Different Stationary Phases in Studies of Quantitative Structure - Biological Activity Relationship of New Antimycotic Compounds

    págs. 31-37

    

  • Teaching the Basics of Pharmaceutical Analysis by Thin-Layer Chromatography and High-Performance Thin-Layer Chromatography to Undergraduate Students - Laboratory Practicals

    págs. 38-47

    

  • Recent Advances in Thin-Layer Chromatography of Pesticides

    págs. 48-54

    

  • Determination of Oxytetracycline, Tetracycline, and Chlortetracycline in Milk by Liquid Chromatography with Postcolumn Derivatization and Fluorescence Detection

    págs. 55-60

    

  • Determination of Neomycin in Animal Tissues by Liquid Chromatography

    págs. 61-67

    

  • Liquid Chromatographic Determination of Carotenoids and Vitamins A and E in Multivitamin Tablets

    págs. 68-72

    

  • Dry Rehydratable Film Method for Enumerating Confirmed Escherichia coli in Poultry, Meats, and Seafood: Collaborative Study

    págs. 73-78

    

  • Validation of the Lac Tek Test Applied to Spiked Extracts of Tissue Samples: Determination of Performance Characteristics

    págs. 79-84

    

  • Determination and Survey of Ochratoxin A in Wheat, Barley, and Coffee - 1997

    págs. 85-89

    

  • Preparative Method for Isolating à-Zearalenone and Zearalenone Using Extracting Disk

    págs. 90-94

    

  • Analytical Monitoring of Citrus Juices by Using Capillary Electrophoresis

    págs. 95-106

    

  • A Liquid Chromatographic Method for Analysis of All-Rac-à-Tocopheryl Acetate and Retinyl Palmitate in Medical Food Using Matrix Solid-Phase Dispersion in Conjunction with a Zero Reference Material as a Method Development Tool

    págs. 107-111

    

  • Determination of Neutral Lactase Activity in Industrial Enzyme Preparations by a Colorimetric Enzymatic Method: Collaborative Study

    págs. 112-118

    

  • A Validated Liquid Chromatographic Method for Determining Folates in Vegetables, Milk Powder, Liver, and Flour

    págs. 119-127

    

  • Determination of Niacin in Infant Formula and Wheat Flour by Anion-Exchange Liquid Chromatography with Solid-Phase Extraction Cleanup

    págs. 128-133

    

  • Liquid Chromatographic Determination of Sugar Alcohols in Beverages and Foods after Nitrobenzoylation

    págs. 134-140

    

  • Fat Contents of Cereal Foods: Comparison of Classical with Recently Developed Extraction Techniques

    págs. 141-150

    

  • Sporicidal Testing of Commercial Germicides Using a Chemical Standard and a Calibrated Bioindicator

    págs. 151-160

    

  • Determination of Submicrogram-per-Liter Concentrations of Caffeine in Surface Water and Groundwater Samples by Solid-Phase Extraction and Liquid Chromatography

    págs. 161-166

    

  • Solid-Phase Extraction and Spectrophotometric Determination of Iodate in Table Salt after Azo Dye Formation

    págs. 167-171

    

  • Colorimetric Determination of Silver in Synthetically Prepared Ores with Preliminary Separation from Associated Metal Ions by Thin-Layer Chromatography

    págs. 172-176

    

  • Analysis of a Mixture of Polychlorinated Biphenyls and Chlorinated Pesticides in Human Serum by Column Fractionation and Dual-Column Capillary Gas Chromatography with Electron Capture Detection

    págs. 177-185

    

  • Multiresidue Gas Chromatographic Method for Determining Synthetic Pyrethroid Pesticides in Agricultural Products: Collaborative Study

    págs. 186-212

    

  • Determination of Benzoylurea Insecticides in Apples and Pears by Solid-Phase Extraction Cleanup and Liquid Chromatography with UV Detection

    págs. 213-216

    

  • Trends in Environmental Analysis

    págs. 217-222