I want to detect bromine (Br2) gas using Gas Chromatography coupled with Mass Spectrometry (GC-MS). Which GC column should I use for this purpose?
The resin bonded carbon containing refractories are aged before use. How time of aging is determined? And mechanism behind aging.
23 July 2024 3,205 0 View
I am new to research. The boiling point of triethyl amine (NEt3) is 89 degrees centigrade. I am skeptical that when I will let the hydrogen escape which is getting generated in situ, I will also...
21 July 2024 7,284 4 View
Sometimes I see the shadow like bands and its not true band. I want to know that what's the reason for it. I am using 2% gel for running genotyping samples I have uploaded the gel picture in both...
19 July 2024 148 6 View
What is the future scope of acoustic emission?
17 July 2024 1,510 1 View
I have a small molecule reagent with a boc-protected amino group. Now the reaction needs to be reacted at 37°C for 30 h. Is this protection group stable?
12 July 2024 3,745 2 View
I am trying to measure the plasmon resonance angle of gold film and pure water using the Kretschmann configuration and a 633nm laser. Without flowing water over the gold, I can detect a clear...
10 July 2024 4,719 3 View
Hello! I am facing a problem, I tried using pdb2gmx to generate topology file but it shows error HEA residue not found then I tried copying the forcefield file and edited accordingly but again...
24 June 2024 1,242 0 View
I'm conducting research on photoplethysmography (PPG) signals obtained from smartwatches worn on the wrist. The main goal is to analyze the PPG waveform and extract key fiducial points and...
13 June 2024 3,286 0 View
The Acid aging in paper samples
10 June 2024 6,456 2 View
Why is there no peak shift in FTIR-ATR after the amine-modified polystyrene nanoplastics (PS-NH2) adsorption onto the NIPAAM/CMC hydrogel materials? I have repeated the tests, but I have gotten...
09 June 2024 9,007 6 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've been performing RNA extraction on cotton petiole tissue for a few months now using the method described in the following paper, a derivative of the typical hot borate method...
08 August 2024 9,882 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
I am trying to recover liquid CO2 from a mixture of 0.6 CO2, 0.3 N2, and 0.1 O2. My aim is to recover about 99% liquid CO2 at the bottom of the column and make sure the amount of gaseous CO2...
06 August 2024 4,611 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
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