Journal of AOAC International

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  Año 2005, Vol. 88, Número 5

  • Quantitative Determination of Usnic Acid in Usnea lichen and Its Products by Reversed-Phase Liquid Chromatography with Photodiode Array Detector

    I. A. Khan, X. Ji

    págs. 1265-1268

    

  • Determination of Total Monomeric Anthocyanin Pigment Content of Fruit Juices, Beverages, Natural Colorants, and Wines by the pH Differential Method: Collaborative Study

    R. E. Wrolstad, R. W. Durst, J. Lee

    págs. 1269-1278

    

  • Determination of beta-Carotene in Supplements and Raw Materials by Reversed-Phase High Pressure Liquid Chromatography: Collaborative Study

    J. W. DeVries, J. Szpylka

    págs. 1279-1291

    

  • Liquid Chromatographic Determination of Malachite Green and Leucomalachite Green (LMG) Residues in Salmon with in situ LMG Oxidation

    W. C. Andersen

    págs. 1292-1298

    

  • Validation of UV Spectrophotometric and Nonaqueous Titration Methods for the Determination of Carvedilol in Pharmaceutical Formulations

    C. V. S. Ieggli

    págs. 1299-1303

    

  • Simultaneous Determination of 16 Sulfonamides in Honey by Liquid Chromatography/Tandem Mass Spectrometry

    G.-F. Pang, Y.-Z. Cao, J.-J. Zhang

    págs. 1304-1311

    

  • Determination and Confirmation of Malachite Green and Leucomalachite Green Residues in Salmon Using Liquid Chromatography/Mass Spectrometry with No-Discharge Atmospheric Pressure Chemical Ionization

    S. B. Turnipseed

    págs. 1312-1317

    

  • Enumeration of Total Coliforms and E. coli in Foods by the SimPlate® Coliform and E. coli Color Indicator Method and Conventional Culture Methods: Collaborative Study

    P. T. Feldsine

    págs. 1318-1333

    

  • Evaluation of the Assurance GDS¿ for E. coli O157:H7 Method and Assurance GDS for Shigatoxin Genes Method in Selected Foods: Collaborative Study

    P. T. Feldsine

    págs. 1334-1348

    

  • Historical Perspective as a Guide for Identifying and Developing Applicable Methods for Dietary Fiber

    J. W. DeVries

    págs. 1349-1366

    

  • Determination of Ionization Constant (pK~a) and Octanol-Water Partition Coefficient (Log P) of Cyclopiazonic Acid

    V. S. Sobolev

    págs. 1367-1370

    

  • Liquid Chromatography with Mass Spectrometry-Detection of Lipophilic Shellfish Toxins

    L. A. Stobo, J.-P. C. L. Lacaze

    págs. 1371-1382

    

  • Rapid Extraction of Aflatoxin from Creamy and Crunchy Peanut Butter

    V. A. Vega

    págs. 1383-1386

    

  • Determination of Allura Red in Some Food Samples by Adsorptive Stripping Voltammetry

    A. H. Alghamdi

    págs. 1387-1393

    

  • Species-Specific Polymerase Chain Reaction Amplification of Camel (Camelus) DNA Extracts

    Y. Chen, Y.-J. Wu, B.-L. Xu

    págs. 1394-1398

    

  • Real-Time Polymerase Chain Reaction Approach for Quantitation of Ruminant-Specific DNA to Indicate a Correlation Between DNA Amount and Meat and Bone Meal Heat Treatments

    B. Chiappini, G. Brambilla

    págs. 1399-1403

    

  • Determination of 1,3-Dichloropropanol in Soy Sauce and Related Products by Headspace Gas Chromatography with Mass Spectrometric Detection: Interlaboratory Study

    S. Hasnip, J.-M. Oberson, H. Diserens, C. Crews, P. Brereton, N. Potter

    págs. 1404-1412

    

  • Evaluation of Results of an Interlaboratory Comparison Test on Determination of Acrylamide in Crispbread Samples

    E. Anklam, T. Wenzl

    págs. 1413-1418

    

  • Determination of Low Molecular Weight Alcohols Including Fusel Oil in Various Samples by Diethyl Ether Extraction and Capillary Gas Chromatography

    K.-L. Woo

    págs. 1419-1427

    

  • Analytical Method for Dimethenamid-P in Selected Raw Agricultural Commodities by Gas Chromatography with Electron Capture Detection

    K. A. Anderson

    págs. 1428-1432

    

  • Determination of Trace Amounts of Cobalt Using 1-(5-Bromo-2-Pyridylazo)-2-Naphthol-6-Sulfonic Acid-Cu(II)-Co(II) Competitive Replacement Complexation

    H.-W. Gao

    págs. 1433-1439

    

  • Multiresidue Determination of Pesticides in Sediment by Ultrasonically Assisted Extraction and Gas Chromatography/Mass Spectrometry

    K. Oikawa, K. Kawata, A. Tanabe, T. Asada

    págs. 1440-1451

    

  • Determination of 112 Halogenated Pesticides Using Gas Chromatography/Mass Spectrometry with Selected Ion Monitoring

    G. E. Mercer

    págs. 1452-1462

    

  • Liquid Chromatographic Determination of Flumetsulam in Soybeans

    C. S. Khoo, M. Moawad

    págs. 1463-1468

    

  • Quantitative Evaluation of 28 Mineral Elements by Inductively Coupled Plasma/Mass Spectrometry and Its Application in Source Identification of Indian Opium

    S. A. Kumar, M. R. Mudiam, S. Mahadevan

    págs. 1469-1484

    

  • An Approach to the Application of Microwave-Assisted Micellar Extraction and Liquid Chromatography with Ultraviolet Detection to the Extraction and Determination of Organophosphorus Pesticides in Tomato Samples

    C. Padron-Sanz, Zoraida Sosa Ferrera, José J. Santana Rodríguez

    págs. 1485-1490

    

  • Determination of 22 Triazole Compounds Including Parent Fungicides and Metabolites in Apples, Peaches, Flour, and Water by Liquid Chromatography/Tandem Mass Spectrometry

    P. G. Schermerhorn

    págs. 1491-1502

    

  • Sample Sizes Needed for Specified Margins of Relative Error in the Estimates of the Repeatability and Reproducibility Standard Deviations

    F. D. McClure

    págs. 1503-1510

    

  • Use of Flow Injection Multisite Detection as a Novel Approach for Blank Signal Correction in a Spectrophotometric Determination

    T. A. C. Oliveira, R. B. R. Mesquita

    págs. 1511-1515

    

  • Thin-Layer Chromatography-Densitometry

    J. Sherma

    pág. 1516