[Lymphangioplasty by hair filaments. Late results in the treatment of lymphedemas of the limbs].
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Biomedical subjects
A Kaufmann
Publications and source records attributed to A Kaufmann.
Fully automated determination of pesticides in wine.
A fully automated solid-phase extraction gas chromatographic/mass spectrometric (SPE/GC/MS) method was developed for determination of pesticides in wine. All steps from aspiration of infiltrated wine to printout of the integrated chromatogram were performed without human interaction. A dedicated robot performed addition of internal standard, application of wine onto the SPE cartridge, elution of analytes, drying and concentrating of eluate, and passing of concentrate to the GC sampler. All steps were performed in standard liquid chromatography/GC vials, using a minimum of organic solvent. The method permits determination of 21 different pesticides. Individual detection limits were 0.005-0.01 mg/L. The regression coefficients relating to linearity were > 0.99; only 4,4-dichloro-benzphenone and dicofol showed lower coefficients. The recoveries for 17 pesticides ranged from 80 to 115%.
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