During the applying method to GC what should we do to solve this error reported in logbook: Attempt to download method to GC failed
Agilent technologies 7890B, I need to check the software version. Our software is not conected to the internet. When we have this problem both GC and GC-MS make this error and we could not apply the methods...
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 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
Are there any statistical methods to justify your sampling technique using SPSS or AMOS?
05 August 2024 9,153 4 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
Better ways to analyze the qualitative and quantitative data in a sequential explanatory mixed method approaches
04 August 2024 2,703 6 View
Why is TLC not a form of partition chromatography and paper chromatography not a form of absorption chromatography?
03 August 2024 7,035 3 View