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pro vyhledávání: '"Terri Thomas"'
Autor:
Virginia Sheldon, Sherri B Turnipseed, Terri Thomas, Joseph M Storey, Michael VanSickle, Wendy C. Andersen, Jack J. Lohne, Mark R. Madson
Publikováno v:
Food Additives & Contaminants: Part A. 36:1616-1625
A rapid method for quantitative caffeine analysis in carbonated and non-carbonated beverages and liquid dietary supplement products was developed based on the direct sample introduction technique of laser diode thermal desorption atmospheric pressure
Autor:
Joseph M Storey, Jack J. Lohne, Wendy C. Andersen, Mark R. Madson, Sherri B Turnipseed, Terri Thomas, Andrea Heise
Publikováno v:
Food Additives & Contaminants: Part A. :150226053625005
A rapid method for the determination of free formaldehyde in cod is described. It uses a simple water extraction of formaldehyde which is then derivatised with 2,4-dinitrophenylhydrazine (DNPH) to form a sensitive and specific chromophore for high-pe