Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Peter Fecher"'
Publikováno v:
Journal of AOAC INTERNATIONAL. 90:844-856
Thirteen laboratories participated in an interlaboratory method performance (collaborative) study on a method for the determination of arsenic, cadmium, mercury, and lead by inductively coupled plasma/mass spectrometry (ICP/MS) after pressure digesti
Publikováno v:
Food chemistry. 194
Eight laboratories participated in an inter-laboratory method-performance (collaborative) study of a method for the determination of mono methylmercury (MMHg) in foodstuffs of marine origin by gas chromatography inductively coupled plasma isotope dil
Publikováno v:
Microchimica Acta. 151:153-166
Seven algae samples, five purchased from food stores and two reference algae (BCR 279 Sea Lettuce) were distributed as blind samples to 13 labo- ratories from which five labs attempted a full charac- terisation of the water-soluble fraction with resp
Autor:
Lars Jorhem, K. H. Grobecker, Peter Fecher, Amund Maage, Hilde Skaar Norli, Dawn Dowell, Kaare Julshamn
Publikováno v:
Journal of AOAC International. 96(5)
The method for the determination of As, Cd, Hg, and Pb in foods by pressure digestion and inductively coupled plasma (ICP)/MS, previously published in J.AOAC Int. 90, 844–856 (2007), was approved as First Action 2013.06 on April 9, 2013 by the Meth
Autor:
Peter Fecher
Publikováno v:
Nachrichten aus der Chemie. 52:503-505
Bei der quantitativen Analyse von Elementen in Lebensmitteln-vor allem bei Mineral- und Spurenstoffen-gibt es eine Menge Moglichkeiten, falsche Ergebnisse zu produzieren. Bei Probennahme und Probenbehandlung ebenso wie bei Messung und Interpretation
Autor:
Peter Fecher
Publikováno v:
Lebensmittel-und Umweltanalytik anorganischer Spurenbestandteile: Tips, Tricks und Beispiele für die Praxis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::112cc41a7c72e97b17ad371a64968067
https://doi.org/10.1002/9783527625949.ch2
https://doi.org/10.1002/9783527625949.ch2
Autor:
Peter Fecher, Lothar Matter
Publikováno v:
Lebensmittel-und Umweltanalytik mit der Spektrometrie: Tips, Tricks und Beispiele für die Praxis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c1cbad6eeeefaea16432b1167fb5a38d
https://doi.org/10.1002/9783527624249.ch2
https://doi.org/10.1002/9783527624249.ch2
Autor:
Gisela Ruhnke, Peter Fecher
Publikováno v:
Analytical and bioanalytical chemistry. 373(8)
Common white sugar was ashed in a muffle furnace under controlled heating at 450 degrees C. Together with these samples, sugar with added amounts of Pb and Cd (20, 50 micro g) was mineralized in the same furnace. Depending on the absolute amount of P
Autor:
Egon Fahr, Peter Fecher
Publikováno v:
Zeitschrift für Naturforschung B. 36:226-230
UV irradiation of aqueous solutions of 1,3-dimethyl-thymine with wavelength > 280 nm yields the eis-and trans-form of water addition product 1,3-dimethyl-6-hydroxy-dihydro-thymine (2/3).
Publikováno v:
JAAS (Journal of Analytical Atomic Spectrometry); Jun2010, Vol. 25 Issue 6, p800-802, 3p