Journal of AOAC International

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  Año 1993, Vol. 76, Número 6

  • Liquid Chromatographic Determination of Melengestrol Acetate in Feeds

    pág. 1163

    

  • Rapid Determination of Tryptophan in Intact Proteins by Derivative Spectrophotometry

    pág. 1168

    

  • Evaluation of Current AOAC Fertilizer Sample Preparation Requirements

    pág. 1174

    

  • Evaluation of New Flame Photometric Instrumentation to Meet Requirements of AOAC Official Method for Potassium in Fertilizers

    pág. 1182

    

  • Reversed-Phase Liquid Chromatographic Method for the Simultaneous Determination of Benomyl and Methyl 1H-Benzimidazol-2-ylcarbamate in Wettable Powder Formulations

    pág. 1187

    

  • The Chinese Total Diet Study in 1990. Part I. Chemical Contaminants

    pág. 1193

    

  • The Chinese Total Diet Study in 1990. Part II. Nutrients

    pág. 1206

    

  • Survey of Benzene in Foods by Using Headspace Concentration Techniques and Capillary Gas Chromatography

    pág. 1213

    

  • Pesticide Residues in Composited Milk Collected Through the U.S. Pasteurized Milk Network

    pág. 1220

    

  • Survey of Total Tetrahydrophthalimide in Baby Foods Using Both Enzyme-Linked Immunosorbent Assay and Gas Chromatography/Mass Spectrometry: A Comparative Study

    pág. 1225

    

  • Liquid Chromatographic Determination of Moxidectin Residues in Cattle Tissues and Confirmation in Cattle Fat by Liquid Chromatography/Mass Spectrometry

    pág. 1230

    

  • Simultaneous Determination of Nitrofurazone and Furazolidone in Shrimp (Penaeus vannamei) Muscle Tissue by Liquid Chromatography with UV Detection

    pág. 1235

    

  • Effectiveness of the Bacteriological Analytical Manual Culture Method for the Recovery of Shigella sonnei from Selected Foods

    pág. 1240

    

  • Liquid Chromatographic Determination of Aflatoxin M~1 in Milk Powder Using Immunoaffinity Columns for Cleanup: Interlaboratory Study

    pág. 1248

    

  • Semiautomatic Determination of Furanic Aldehydes in Food and Pharmaceutical Samples by a Stopped-Flow Injection Analysis Method

    pág. 1255

    

  • Speciation Analysis of Organolead Compounds in Wine by Capillary Gas Chromatography/Microwave-Induced-Plasma Atomic Emission Spectrometry

    pág. 1262

    

  • Determination of Volatile Chemicals Released from Microwave-Heat-Susceptor Food Packaging

    pág. 1268

    

  • Method Modification for Liquid Chromatographic Determination of Thiamine, Riboflavin, and Pyridoxine in Medical Foods

    pág. 1276

    

  • Partial Automation of Microbiological Assays for Vitamins

    pág. 1280

    

  • Determination of Menthol in Honey by Gas Chromatography

    pág. 1289

    

  • Cuprimetric Assay of Casein Hydrolysates

    pág. 1295

    

  • A Quantitative Linearity Evaluation Method for Infrared Milk Analyzers

    pág. 1300

    

  • Analyte Stability Study of N-Methylcarbamate Pesticides in Beef and Poultry Liver Tissues by Liquid Chromatography

    pág. 1309

    

  • Comparison of Gel Permeation Chromatography, Sweep Codistillation, and Florisil Column Adsorption Chromatography as Sample Cleanup Techniques for the Determination of Organochlorine Pesticide Residues in Animal Fats

    pág. 1317

    

  • Determination of Paraquat and Diquat in Low-Moisture Food Crops Using Silica Column Cleanup and Liquid Chromatography with UV Detection

    pág. 1323

    

  • Interlaboratory Study of a Thermospray-Liquid Chromatographic/Mass Spectrometric Method for Selected N-Methyl Carbamates, N-Methyl Carbamoyloximes, and Substituted Urea Pesticides

    pág. 1329

    

  • Confirmation of Identities of Propylene and Ethylene Glycols in Anchovies by Tandem Mass Spectrometry

    pág. 1344

    

  • Determination of Pyrethroid Residues in Vegetables, Fruits, Grains, Beans, and Green Tea Leaves: Applications to Pyrethroid Residue Monitoring Studies

    pág. 1348

    

  • Determination of Formetanate Hydrochloride in Selected Fruits by Coupled-Column Cation Exchange Liquid Chromatography

    pág. 1362

    

  • Rapid Gas Chromatographic Method for the Multiresidue Screening of Fruits and Vegetables for Organochlorine and Organophosphate Pesticides

    pág. 1369