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Questions related to Chemical Engineering
One reviewer asked me (One cannot understand the bandgap of a composite like g-C3N4/Fe3O4/Bi2WO6/Bi2S3. Does the derived bandgap of the g-C3N4/Fe3O4/Bi2WO6/Bi2S3 composite represent the bandgap of...
03 October 2022 4,993 4 View
Hello, I am seeking recommendations for EIS work stations capable of probing systems generating ≤100 W and approximately 200 mA/cm2. Expected voltages would be
30 September 2022 2,917 0 View
After electrolysis (iron (+) and graphite (-) electrodes were used; electrolysis duration 5 hours) of suspensions of different soils, I obtained the following Ph values: HC (humus soil): 10.99 DVT...
29 September 2022 8,988 2 View
I've been looking into ways to extract pigments and colourants from plant materials and PEF has come up as an option but I can't seem to find for lack of a better phase a step-by-step process of...
29 September 2022 2,593 0 View
I need help to get the respective version of the control software of Perkin Elmer Autosystem XL Gas Chromatograph TotalChrom Workstation Version 6.3.1. We have got the machine but the software is...
28 September 2022 7,607 0 View
If we have an suspension culture of cells and If we have to check that that the cells in the culture are in which growth phase (lag,log, stationary or death) So,how can we check it?
26 September 2022 7,361 0 View
I used "vdw_corr = "XDM" in &system in the nscf-calculation after performing the scf-calculaiton. I obtained "xdm.dat", but it is binary. To plot it, I tried to use pp.x. But I cannot find...
06 September 2022 7,032 0 View
Please take the example of the following. What is wrong in this file? I wish to do this calculation at MP2/aug-cc-pVDZ level. Please suggest how I can do this. also if possible please share inp...
05 September 2022 6,990 0 View
Hi guys. I am currently working on writing VUMAT subroutine to develop new damage model. To check if it works well, I ran a simulation with a simple model. Detailed model conditions are as...
04 September 2022 9,073 0 View
What is permissible limit of COD, Fecal and total coliform in in surface or river water according to BIS/WHO standard?
02 September 2022 2,509 2 View
Fcc/bcc metals do not show Raman spectra. However, I have studied pure gold with Raman (532 nm laser, 30 mW on sample) and found a strong and asymmetric band at 76.0 ± 1.1 cm-1. Natural gold shows...
26 August 2022 9,283 3 View
I want to scan a particular bond stretching with the CASSCF method in MOLPRO. Although I am confused about how to run it in a single calculation. Please reply if it is possible.
29 July 2022 2,967 0 View
When air flows through the PSA bed in the adsorption process, a pressure drop will occur. Is there a method to calculate this drop ?
26 July 2022 837 0 View
I've cultured pseudomonas aeruginosa in a tryptic soy broth. After incubated overnight, I've found out there's a clumpy formation in it. Is it suppose to be like that, or it was contaminated?
15 July 2022 2,193 3 View
I am working on material studio 2020, CASTEP module, when I optimize the geometry, I am getting this message at each job failure [mpiexec@Rahat-Saqfi] ..\hydra\pm\pmiserv\pmiserv_cb.c (863):...
13 July 2022 7,989 5 View
Required to prepared fresh base.
13 July 2022 6,690 0 View
Aspen process economic analyzer
12 July 2022 9,276 1 View
Hello, I would like to study the catalytic cycloaddition reaction of an epoxide and CO2 by GC-MS. I've seen that most of the papers use dodecane as an internal standard to calculate the...
25 June 2022 9,465 0 View
Hello everyone, I have ordered this product ( A16198 Heparin sodium salt, from porcine intestinal mucosa, IU>=100/mg). The content is 250mg powder. So, I would like to reconstitute it in...
22 June 2022 4,977 0 View
I need to know the complete calculation how much mol percentage of palladium is left after recycling my catalyst do that I can understand how much metal has leached from the prepared catslyst
11 June 2022 5,337 2 View
hello, i want to isolate lactobacillus from feta cheese, can someone recommend a certain method ? I already isolated but there was no growth at all !! - 1g of feta cheese was mixed by vortex with...
05 June 2022 5,947 1 View
I discovered unusual behavior of one natural compound, that appeared to react with itself under sodium tert-butylate conditions. Expected alpha-ketol rearrangement product wasn't observed in the...
17 May 2022 653 2 View
Good afternoon, I am working with the production of Chlorella sp. in industrial waste and I would like to know what parameters are the most optimal to evaluate in this industrial waste... If...
16 May 2022 3,243 1 View
I am using 180 USP U/mg Heparin sodium salt. I have seen that 10-30 units/mL of blood is the accepted range. Would that mean that I would need 55.5ug of heparin salt per mL of blood? IS my math...
16 May 2022 8,956 0 View