Now showing items 1-10 of 8755
Avaliação de procedimentos de preparo de amostra de amendoim in natura para análise de aflatoxinas
(Sociedade Brasileira de Química, 2010-01-01)
The variability in aflatoxin B1 concentration among peanut subsamples of 4 sample preparation procedures was evaluated. For each procedure, 18 samples were prepared involving dry comminuting/homogenization or dry roughly ...
Sample preparation combined with electroanalysis to improve simultaneous determination of antibiotics in animal derived food samples
A procedure based on liquid–liquid extraction (LLE) and phase separation using magnetically stirred salt-induced high-temperature liquid-liquid extraction (PS-MSSI-HT-LLE) was developed to extract and pre-concentrate ...
Mechanisation in sample preparation by microwaves: The state-of-the-art.
(Soc Brasileira QuimicaSao PauloBrasil, 1997)
An overview of the main foodstuff sample preparation technologies for tetracycline residue determination
Tetracyclines are widely used for both the treatment and prevention of diseases in animals as well as for the promotion of rapid animal growth and weight gain. This practice may result in trace amounts of these drugs in ...
Water soluble tertiary amines for sample preparation in atomic spectroscopy: An overview (M6).
(In: TRENDS IN SAMPLE PREPARATION, 2002, Austria. Abstracts... Austria: Institute for Analytical Chemistry; Micro-and Radiochemistry; Graz University of Technology , 2002., 2014)
A review of reflux systems using cold finger for sample preparation in the determination of volatile elements
(Microchemical Journal, 2013)
Sampling and sample preparation for analysis of aromas and fragrances
(Elsevier Science LondonLondonInglaterra, 2003)
Evaluation of medicinal plant decomposition efficiency using microwave ovens and mini-vials for Cd determination by TS-FF-AAS
(Springer WienViennaAustria, 2005)
Optimisation of a sample preparation method for the determination of fumonisin B-1 in rice
(Elsevier B.V., 2014-09-01)
A simple, rapid and cost-effective sample preparation method for the determination of fumonisin B-1 in rice was optimised using a strategy of sequential experimental designs. Initially, a Plackett-Burman design was applied ...