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Questions related from Maen Al-refai
Is the FTIR for asphaltene important only to target the interpreted functional groups by inhibitors and nanoparticles or there is something else that makes this analysis important in every research ?
10 June 2021 6,880 1 View
why in research papers people are always expressing the acidity of crude oil by total acid number and total base number instead of measuring the pH of the crude oil ?
06 June 2021 3,664 3 View
In literature we can see a general molecular structure for saturates(CnH2n+2) and aromatics (CnH2n−6m) but there is no general structure for resin. so do they have one? If not, then why aren't...
31 May 2021 1,341 2 View
Is simulated distillation gas chromatography tells us the percentage of n-alkanes in our crude, or it tells the % of all compounds that boil there? which means when the mass% of my crude at...
28 March 2021 5,996 3 View
What are the stationary and mobile phases normally for gas chromatography performed on a crude oil sample ? and why those ? can I have an answer please and in the final result when we c7-c110...
18 March 2021 3,224 8 View
In Asphaltene FTIR, if the interpretation was made to have a secondary amide, do I have to see all bonds that corresponds to secondary amides ? like do I have to see all of these bonds here in the...
08 March 2021 7,212 5 View
I have conducted an FTIR analysis for my extracted asphaltene but I noticed that the absorbance level in the sample is starting from 40% not 0% which means that every single wavelength was...
16 February 2021 3,929 9 View
We all know the nano-particles have been widely used recently in many aspects, and one of these aspects is the asphaltene inhibition, but I have question that when we want to add for example...
19 January 2021 7,252 13 View
As we all know asphaltene is defined as " The highest molecular weight component in the crude oil that is insoluble in light n-alkanes such as n-pentane or n-heptane and soluble in aromatics such...
06 January 2021 7,046 2 View
I just have a question that's how aromatics like toluene and xylene can dissolve asphaltene, also the aromatics fraction in crude oil are playing a significant role in stabilizing asphaltene ( and...
02 January 2021 1,122 6 View
