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Questions related to Chemical Engineering
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 5,938 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 643 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 3,233 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 8,945 0 View
Currently, we are working on a computational analysis of the oil-in-water or water-in-oil emulsion separation process through a graphene oxide sponge. This is our Final Year Project. Our...
16 May 2022 4,127 1 View
radioactivity conversion gamma emmitters Bq/g to ppm
15 May 2022 5,732 7 View
Greetings, I have a theoretical question unrelated to any actual laboratory troubleshooting. My understanding is that RNA rapidly undergoes alkaline hydrolysis when exposed to high-pH...
06 May 2022 5,964 2 View
I would like to measure the phase transition temperature of sunflower lecithin from the gel phase to the liquid-crystal phase. The supplier of the product has advised that it is expected to be...
08 April 2022 7,009 3 View
Hi, everyone! I have a question about Aspen HYSYS / Unisim Design: What's rate units means? I work with heterogeneous catalytic reactions in a plug flow reactor (PFR), and most of these reactions...
05 April 2022 551 3 View
I am simulating biomass pyrolysis in aspen plus. I have defined my biomass as a combination of Cellulose, Hemicellulose and Lignin (LiGH, LIGO, LIGC). when I run the simulation in CSTR, LIGC and...
25 March 2022 1,014 4 View
I would like to etch Molybdenum wires uniformly from 80 um to 50 um in a non-aggressive solution
14 March 2022 7,312 6 View
Hi, I have some questions about the electrodialysis of peptides. Why do we need AEM and CEM if the peptide is not is passing through it. (see the pic). Why do we use KCL and electrode...
10 March 2022 1,233 0 View
I am quantifying plant metabolites using HPLC, The solvents in channel A is 0.4% phosphoric acid in water and in channel B it is acetonitrile. after performing the experiment which solvents I...
05 March 2022 3,219 5 View
I need the mechanical properties of polyester
08 February 2022 931 3 View
We have just applied registration procedure for the some of the Biopesticide strains such as Beauveria bassiana,Metarhiziunm and Trichoderma viride. I just have shown this leaflet from CIB...
01 February 2022 5,101 3 View
A quadruped robot has four legs. Each legs has 3 degrees of freedom i.e 3 joints. But the quadruped robot can also move with 2 joints on each leg. What are the disadvantages of using 2 joints...
10 December 2021 258 2 View
Hello Everyone, Currently, I am using . I facing an error that I do not understand the reason for. Using B3LYP functional, the EDA is running well and ends without any error. But while using...
27 October 2021 2,433 0 View
Suitable glassware for etching mechanism using strong acids at elevated temperatures.
15 October 2021 8,699 4 View
we are making a conductivity probe in which we want to use doped polymer as an electrode to find the conductivity of water.
01 October 2021 7,114 0 View
I am doing an Internship in which I have to develop innovative materials (as doped polymers) to be used as electrodes in conductivity sensor probes to detect deionized (DI) waters or higher water...
23 September 2021 6,366 8 View
please help me to calculate H/C and O/C ratio?
12 August 2021 5,584 2 View
I am working on a simulation of the palm oil hydrotreating process taking a reaction system in equilibrium, I had to enter heavy components such as esters and fatty acids as hypothetical...
03 August 2021 8,043 1 View
I'm student at CNU department of chemical engineering. So, I studied about Hydrogen process. Especially, I can't make PSA unit in PRO II. Can you give me a reference about PSA unit?
19 July 2021 2,376 0 View
What are endothermic adsorbents? List some examples?
19 July 2021 409 3 View