Hello Everyone,
I have attached two absorbance graph of two different compounds. Can anyone please tell me the reason for one peak and two peaks in an absorbance graph? and multi-peak as well?
I am having difficulty finding the protein from yeast? Just want to extract protein and detect it by biuret reagent methods. I stored my yeast samples at -20C. So my question is how can I rupture...
01 February 2020 2,894 8 View
I have grown Yeast in synthetic medium. In two days all the substrate were consumed, However, the growth was observed until day 5 and becomes stationary after day 5. What could be the possible...
05 June 2019 9,372 4 View
Hello Everyone, I have attached two absorbance graph of two different compounds. Can anyone please tell me the reason for one peak and two peaks in an absorbance graph? and multi-peak as...
05 June 2017 6,952 4 View
I used an organic compound and dissolved in CHCl3 and DMF to find the absorbance. How can I find the cut-off wavelength of that compound?
04 May 2017 824 4 View
we have synthesized a novel semiconductor compound experimentally and found the permittivity through UV (beer's Lambert law). Is there any way I can separate the real and imaginary part of that...
01 February 2017 10,026 0 View
01 February 2017 434 1 View
Approximate concentrations are require in compared with the WHO permissible limts
11 August 2024 2,723 1 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
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
I tried four trials of the same Copper Phosphides sample in Alkaline medium ( 0.5M KOH) with Hg/HgO reference electrode and Pt as counter electrode. I used 0.001 V/s scan rate for first three...
10 August 2024 3,629 1 View
Hey there, As a synthetic chemist delving into theoretical calculations for my imidazolium-based organic molecules, I would greatly appreciate any guidance on the appropriate input instructions...
09 August 2024 5,444 7 View
We have observed that tube to tube sheet joint leaked in our boiler and needs to overcome same by knowing the root cause.
08 August 2024 3,161 0 View
Hello What should be done to separate and identify organic acids in HPC when their RetTime is the same?Like oxalic acid with Propanoic Acid.or acids that have a very close RetTime.
07 August 2024 8,782 3 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
Hi, i would like to simulate an absorption process in Aspen Plus. I want to use the NRTL model und would like to add some individual Henry coefficients. Is that possible and how?
05 August 2024 2,333 2 View
Hello everyone, I'm encountering an issue with my electrochemical impedance spectroscopy (EIS) measurements and would appreciate some insights. Experimental Setup: Electrodes: Gold interdigitated...
05 August 2024 3,783 2 View