Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Arthur D Mckenzie"'
Publikováno v:
Food Additives & Contaminants: Part B. 7:110-114
Total mercury was measured in 156 composites prepared from 936 samples of canned tuna sold in Canada in 2006. Each composite comprised a single brand. Yellowfin tuna contained the lowest concentrations, averaging 0.066 mg/kg. Skipjack tuna contained
Autor:
Robert Dabeka, Arthur D. Mckenzie
Publikováno v:
Food Additives and Contaminants: Part B. 5:65-69
Total mercury (Hg) was measured in 150 infant formula products (as sold) and oral electrolyte solutions purchased in Canada in 2003. Results less than the limit of detection (LOD) were reported as the numeric value of the LOD. Electrolytes contained
Publikováno v:
Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
Total mercury was analysed in 188 samples of predatory fish purchased at the retail level in Canada in 2005. The average concentrations (ng g(-1), range) were: sea bass 329 (38-1367), red snapper 148 (36-431), orange roughy 543 (279-974), fresh water
Publikováno v:
Journal of AOAC INTERNATIONAL. 85:1136-1143
A cold vapor atomic absorption spectrometric method was developed for the subnanogram-per-gram determination of total Hg in a wide variety of foods. Foods were weighed into 50 mL polypropylene centrifuge tubes and dried without charring at 55°C in a
Autor:
Arthur D Mckenzie, Robert W Dabeka
Publikováno v:
Journal of AOAC INTERNATIONAL. 78:897-909
During the period 1986–1988, foods were purchased at the retail level in 5 Canadian cities and, for each city, prepared for consumption and combined into 113 composites and 39 composite subsets. Lead and cadmium were determined in all the samples;
Autor:
Arthur D Mckenzie, R. A. Graham, Gladys Lacroix, Robert W Dabeka, P. Verdier, C. Cleroux, S. Bowe, Henry B S Conacher
Publikováno v:
Journal of AOAC INTERNATIONAL. 76:14-25
During a comprehensive total diet study extending from 1985 to 1988, foods were collected in 6 Canadian cities (in one of them, a pilot study was conducted twice). For each of the 7 collections, foods were processed into 112 composites (105 in the in
Autor:
Arthur D Mckenzie, Robert W Dabeka
Publikováno v:
Journal of AOAC INTERNATIONAL. 75:954-963
A graphite-furnace atomic absorption spectrometric (GFAAS) method using a single simple digestion was developed to determine aluminum, copper, manganese, molybdenum, and tin in infant formulas and evaporated (evap.) milks. Citric acid (0.5 mL 20%) an
Autor:
Arthur D Mckenzie, Robert W Dabeka
Publikováno v:
Journal of AOAC INTERNATIONAL. 75:386-394
In a trial for a comprehensive total diet study, 105 food composites were prepared in the summer of 1985, and another 105 composites in the late fall of 1985. Lead and cadmium were determined In all composites. The mean, median, and range of lead con
Publikováno v:
Food additives and contaminants. 21(9)
Mercury was detected in all analysed samples of swordfish, marlin, shark and tuna purchased from major supermarket outlets and fish retailers in three cities across Canada. Total mercury and methylmercury levels ranged up to 3845 and 2346 ng g(-1), r
Publikováno v:
Food additives and contaminants. 21(5)
Total mercury was measured in the edible portions of 244 selected fish and shellfish purchased in Canada at the retail level. By species, average mercury concentrations ranged from 0.011 microg g(-1) for oysters to 1.82 microg g(-1) for swordfish. Th