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Questions related from Maria Magro
Hello, I would like to see what your opinion is on how one decides if a C 1s peak or O 1s peak are fitted correctly, i.e. with the correct choice of backgrounds and line-shapes. I know that with...
04 August 2020 3,116 13 View
I tried do an XPS scan of a silicon wafer covered with gold, however, the spectrum does not show any gold peaks. I tried to vary several parameters, including Epass, sample position, and even...
23 January 2019 8,975 6 View
Is it possible to spin coat a Silicon wafer with a suspension of graphene or graphene oxide to carry out XPS, AFM, and SEM characterisations? Are there any protocols that show the ideal rpm value...
02 July 2018 5,267 8 View
What is the best substrate for the XPS characterisation of graphene and graphene oxide? I will be using mostly the Al Ka radiation (hm = 1486.6 eV) to irradiate the samples, however not limited...
04 May 2018 5,390 3 View
Hi, I am trying to extract and identify the composition of essential oils from hemp inflorescences. I have to run an alkane mixture, but the one available at the lab is from C16-C40. Do you...
21 July 2015 8,462 14 View
I am using acetone and heptane for separate soxhlet extractions, then evaporate the solvent under vacuum. However, once evaporation is complete I can still detect the solvent smell, so it is...
01 June 2015 2,323 7 View
Any XPS experts here can recommend from where I can buy and get hold of a copy of High Resolution XPS of Organic Polymers the Scientia ESCA300 Database of G. Beamson and D. Briggs (Wiley,...
01 January 1970 509 9 View
