Please advice on best method approach to choose suitable column for HPLC to analyze targeted samples.
Kindly assist about the evaluation of the concentration of the standard preparation against an independent standard preparation, prior to determine the selected sample calibration curve graph.
08 September 2018 4,282 0 View
Professional advise will be appreciated, What potential risks if my sample solvent is stronger than my mobile phase in HPLC analysis? What happen or causes and solution
07 August 2018 1,960 0 View
Kindly help with details advantages of Column chromatography over Preparative Layer Plates and disadvantages or vice versa for HPLC analysis
06 July 2018 8,745 3 View
Kindly help the recommended procedure to clean the HPLC column daily before and after used
06 July 2018 1,956 2 View
Which method of separation is more preferable, HPLC, NMR or GC for the determination of diatereoselectivity in polar or non-polar aldol products. What are the advantages or disadvantages of HPLC...
05 June 2018 7,813 9 View
I need comprehensive procedure for the determination of diastereoselectivity by H NMR in the reaction mixture?
05 June 2018 7,220 2 View
Please, I have problems with ChiralPack IB column, can anyone suggest any possible solution because having poor baseline and can't find corresponding peaks.
01 January 1970 8,634 0 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
I would like to learn more about SPSS and Its application especially in regards to data analysis. Please suggest me how I can learn more about it. Thank you so much.
11 August 2024 9,101 4 View
I have reverse sequences (AB1 format), can I base on reverse DNA sequences to perform nucleotide alignment, convert nucleotides to amino acids and deposit the sequence in GenBank database?
11 August 2024 5,138 1 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, Why do i see this baseline drift when i compare my blank (black) to the sample (blue)? Any suggestions as to why this happened? Thank you!
11 August 2024 3,770 4 View
Willett, Shenoy et al. (2021) have developed a brain computer interface (BCI) that used neural signal collected from the hand area of the motor cortex (area M1) of a paralyzed patient. The...
10 August 2024 7,180 0 View
I'm currently exploring the application of Python in textile engineering, specifically in areas like data analysis, process automation, and the development of smart textiles. I'm interested in...
10 August 2024 7,429 2 View
How can I use the cif data obtained from rietveld refinement extracted via gsas2, for microstructural analysis using ETEX software?
09 August 2024 7,718 0 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