Zobrazeno 1 - 10
of 17
pro vyhledávání: '"H B, Conacher"'
Publikováno v:
Journal of AOAC International. 76(4)
Residues of polychlorinated biphenyls (PCBs) and organochlorine pesticides were determined in several species of commercial fish from the Great Lakes and compared to the total organic chlorine determined by neutron activation analysis. The mean organ
Autor:
R W, Dabeka, A D, McKenzie, G M, Lacroix, C, Cleroux, S, Bowe, R A, Graham, H B, Conacher, P, Verdier
Publikováno v:
Journal of AOAC International. 76(1)
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
Publikováno v:
Journal - Association of Official Analytical Chemists. 62(3)
A method is given for determining monosodium glutamate (MSG) in soups and soup bases by gas-liquid chromatography (GLC) of the trimethylsilyl ether derivative of glutamic acid. This method compared favorably with existing methods including GLC of the
Publikováno v:
Journal - Association of Official Analytical Chemists. 66(3)
An interlaboratory round robin study was carried out to estimate the reliability of data on 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) in fish. Using different methods, 13 laboratories (4 Canadian, 9 American) agreed to analyze 4 fish samples; 3 were
Publikováno v:
Canadian journal of public health = Revue canadienne de sante publique. 73(3)
Publikováno v:
Journal - Association of Official Analytical Chemists. 63(4)
Three sample preparation techniques--thin-film, solution, and cellulose pellet--were applied to the determination of bromide in brominated lipids by X-ray fluorescence spectroscopy. Using brominated vegetable oils of known bromide content it was demo
Publikováno v:
Canadian journal of public health = Revue canadienne de sante publique. 72(4)
Publikováno v:
Journal - Association of Official Analytical Chemists. 62(5)
A simple and accurate method was developed for routine determination of fluoride in foods. Hydrogen fluoride is diffused 20 hr at 50 degrees C from fresh or freeze-dried samples (0.1 g dry wt) in polystyrene petri dishes containing 2 mL 40% HCIO4 and
Autor:
H B, Conacher
Publikováno v:
Journal - Association of Official Analytical Chemists. 70(6)
Three important elements of the pesticide quality assurance program in the Health Protection Branch of Canada are described--the sampling protocol, the repository of pesticide standards, and the check sample program of the Federal Interdepartmental C
Publikováno v:
Journal - Association of Official Analytical Chemists. 66(6)
A gas chromatographic method has been developed for determination of brominated vegetable oils in citrus-flavored soft drinks. Oils were extracted from the drinks with ethyl ether and subjected to acid-catalyzed methanolysis. The resulting brominated