I want to have the GCMS profile for biodiesel from west cooking oil to compare it with what I get
No expert on this, but I would think that the profile varies with the methods used to create it. So I would expect to see a good bit of variation in results.
I want to determine absorption of aggregate if we have absorption value for each fraction size, may I know which eq. is correct ?
03 April 2018 501 2 View
what is the best solvent to remove formaldehyde from the thin film. I am preparing polymer as biosensor for formaldehyde, what is the best solvent to remove it?
31 December 2017 8,513 5 View
I want to know the most important Characterization for imprinted polymer molecular print in biosensor for formaldehyde detection.
07 August 2017 7,288 1 View
Hi The reviewer ask this question What's the proportion for the peak area of identifiable compounds based on NIST database to the total detected products used GC-MS? what he mean by this ? and...
06 July 2017 3,119 11 View
Dear friends May I knew which is the best simulation program for heterogeneous catalysis?
05 June 2016 3,820 2 View
Dear friends . I have master in catalysis for energy and I like to continue for Phd can you help me to find scholarship or if you know any supervisor can pay for me(fund) from any country if you...
05 June 2016 6,950 3 View
Hi I just ordered XRD plate ( Quartz plate). when I run the plate without sample I got the results on the picture is this results normal ? and How can I calpreat the plate to get good result? any...
09 October 2015 381 6 View
I want to Know why when we increase the doping metal the Crystallite size will reduce the size if you have any journal sport it I ill be very thankful
07 August 2015 6,192 0 View
Is there any program for FTIR that gives you the peak number then will give you the odds of the funactional group
01 February 2015 8,676 11 View
Last time I did 7 reactions and I got 2 layers (after removing the methanol), but now I run the same Cat and there is only one layer. **note:- I took my oil ( waste cooking oil from my friend he...
01 February 2015 4,855 13 View
A crude extract of fungal culture using EtOH was subjected to column and TLC and partially purified compound was obtained. UV vis spectrum of the compound/s has max absorbance at 218nm. The...
11 August 2024 9,801 2 View
Can anyone explain this method? Especially the last statement where it says only at 1.5 to 2.5mins was the MS/MS connected to the UPLC. How is that possible, is it a feature in this specific...
11 August 2024 8,141 3 View
Hello experts, Does anyone know any free software about retention index prediction ?
08 August 2024 7,403 2 View
I'm currently working on calculating the collision cross section (CCS) for various ions, and I'm facing challenges when dealing with sodiated and multiply charged ions. Most of the resources I’ve...
08 August 2024 8,329 0 View
I'm working on selecting antibodies against a recombinant protein that has a His-tag. My idea is to first bind the recombinant protein to a HisTRAP column and then use this column for an affinity...
07 August 2024 505 3 View
Dear QE-users, In the method where full MS positive mode and PRM mode are used, we always get an incorrect auxiliary gas reading (41 instead of 25). This only happens in this method; other...
06 August 2024 4,953 0 View
Hello, Can anyone provide me with the absorption coefficient of methane gas at 7.7 um? Any reference?
06 August 2024 980 5 View
is there any other way to heat a polymer evenly other than oil bath if so what are those and how to use it
06 August 2024 947 1 View
I am analyzing cherts from different sources found within one specific geologic formation using ICP-MS/ES. My committee was asking this question about my analysis. I was not sure how to answer this
05 August 2024 7,902 3 View
There are anaerobic gas pak jars and environment providers in the laboratory that provide anaerobic environmental conditions for the growth of anaerobic bacteria. However, there is no anaerobic...
05 August 2024 4,945 3 View