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Questions related from Thi Phuong Thao Nguyen
Is there any rule to apply in the deconvolution of a MAS V51 NMR curve (in my case, the central transition -1/2 1/2)? Like limitation of the number of peaks, baseline selection, etc.?
19 April 2022 3,120 1 View
Does the type of gas have any influence on a volumetric flow measurement using a soap film flow meter? If yes, is that related to buoyant force? how is the measured flow affected? and is there any...
31 May 2021 6,233 0 View
I am trying to obtain Ru 3d XPS spectra of samples with RuO2 content of 0.1 ~ 0.3%. But due to the overlapping of the C 1s region and maybe the low content as well, the Ru 3d5/2 peak was almost...
23 July 2020 8,066 4 View
Hi guys, I am a complete beginner in XPS curve-fitting and deconvolution. Does anyone have tips for determining the number of peaks to fit?
02 October 2019 8,928 9 View
Hi, everyone. Our lab is using a Brooks Rand Model III Atomic Flourescence Spectrometer for elemental mercury concentration measurements. But when O2 presents in the gas stream, the sensitivity...
17 September 2019 6,751 0 View
Hi, Does anyone know which type/brand of valve is usable in case of gas flow containing elemental mercury? Extra information: Our lab is working on a project related to mercury adsorption and...
18 June 2019 3,884 3 View
My spectra of V2O5-WO3/TiO2 collected under 3000ppm NO using a DRIFT-IR heating chamber have too much noises. Can I obtain better spectra by increasing the NO concentration? Is there any way of...
13 May 2018 3,454 0 View
Hi, can anyone please tell me where gas phased N2O bands are in an IR spectrum? Can they be at 2229cm-1? The second question is what are rotovibrational bands? It would be great to have an example...
02 October 2017 1,763 3 View
Hi, I'm recently working with DRIFT-IR spectrometer and I'm having some problems with my spectra. I have noticed that there are some peaks at 3000~2800 cm-1 that appear in all single beam...
04 July 2017 4,311 10 View
