Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Samuel Wunderli"'
Publikováno v:
CHIMIA, Vol 67, Iss 12 (2013)
Externí odkaz:
https://doaj.org/article/f1e4aadcfec54293be22ca30b79fc7aa
Autor:
Samuel Wunderli
Publikováno v:
Reference Materials in Measurement and Technology ISBN: 9783030325336
The practical realisation of pH-measurements with Harned-cell type equipment used for the measurement of primary standards as recommended by IUPAC is shortly outlined. In contrast to the Harned-cell without transference, the glass electrode with a ju
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0368f37a6106c2d012d01efd777f56fe
https://doi.org/10.1007/978-3-030-32534-3_23
https://doi.org/10.1007/978-3-030-32534-3_23
Publikováno v:
CHIMIA, Vol 63, Iss 10 (2009)
In the wake of the redefinition of the kilogram, the last unit of the International System of Units (SI) that is still based on a man-made artefact, discussions were launched on the necessity of redefining other units, amongst other the unit mole. Si
Externí odkaz:
https://doaj.org/article/3f3081cfb8c64f88bbac3a4f88c17c9f
Autor:
Samuel Wunderli
Publikováno v:
CHIMIA, Vol 63, Iss 10 (2009)
Externí odkaz:
https://doaj.org/article/c6dc5c0f9a724fcd8810fbb7a226344c
Publikováno v:
CHIMIA, Vol 63, Iss 10 (2009)
In clinical chemistry and medical diagnostics, the reliability of the results obtained by numerous testing protocols has a major impact on the critical decision-making processes. Considerable efforts are made by international institutes to promote an
Externí odkaz:
https://doaj.org/article/246a4e9b65624bf080717ed4d7bf7027
Autor:
Samuel Wunderli
Publikováno v:
Journal of Physics: Conference Series. 1420:012002
A short introduction of the general bottom-up uncertainty evaluation approach according to the ISO-GUM, JCGM 100 was presented [1, 3]. The Monte-Carlo Method (MCM) for the evaluation of the measurement uncertainty was outlined [2]. An application of
The influence of atmospheric pressure, air temperature, and relative air humidity on weighing results was determined in a long-term experiment. Two magnesium and three aluminium cylinders were weighed in a room without air conditioning over a period
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5645a79e0e55d576b782bb8b6ca277e2
http://doc.rero.ch/record/316414/files/604_2005_Article_479.pdf
http://doc.rero.ch/record/316414/files/604_2005_Article_479.pdf
Autor:
Ralf Eberhardt, Alena Vospělová, Sirinapha Srithongtim, Olivier Brunschwig, Fabiano Barbieri Gonzaga, Wiler Batista da Silva Junior, Hanspeter Andres, Petra Spitzer, Beatrice Adel, Samuel Wunderli, Frank Bastkowski, Paulo Paschoal Borges, Caspar Demuth, Martina Vičarová, Michal Máriássy, Daniel Berdat, Roger Fehér
Publikováno v:
Accreditation and Quality Assurance. 18:469-479
Metrological comparability as well as reliability of ion activity results measured with ion-selective electrodes (ISE) was investigated within the framework of an interlaboratory comparison between eight partners from national metrology institutes an
Autor:
Samuel Wunderli, Hanspeter Andres
Publikováno v:
Electroanalysis. 21:1984-1991
In a chronoamperometric measurement the chemical activity of glucose is directly determined using a glucose sensitive biosensor based on glucose oxidase and an efficient mediator. Within the physiological range of 2 mmol kg−1 and 10 mmol kg−1 glu
Autor:
Hanspeter Andres, Samuel Wunderli
Publikováno v:
Electroanalysis. 20:324-330
Based on the model equation for the measurand analyte activity, all significant sources of uncertainty are identified, their magnitude estimated from published and experimental data and finally combined to give the uncertainty in the reported value o