When ever I try to dissolve some polymers in a mixture of acetone and DMF, I observe that the volume of the solution keeps decreasing with stirring time even at room temperature. Please why does this happens and how can I overcome it?
Hello, Can anyone provide me with the absorption coefficient of methane gas at 7.7 um? Any reference?
06 August 2024 980 5 View
Hello everyone! I am currently exploring the performance of large models in understanding knowledge in specific domains, and attempting to construct a knowledge framework similar to what...
05 August 2024 5,729 2 View
Regarding a model for simulating battery charge and discharge, what do you consider to be high fidelity? What is the acceptable percentage of error (regardless of the metric)? Could you suggest...
03 August 2024 5,358 0 View
need to open an account to upload my published papers
01 August 2024 9,255 1 View
All plants are green but some of these plants becomes yellow. I did not found any reason. Please help me to find out the real problem.
01 August 2024 589 4 View
I am using a Bruker 600M solid-state NMR spectrometer with a Micro 2.5 microimaging system. The test sample is a tube of 1M LiCl aqueous solution, and the nucleus detected is 1H. I am trying to...
01 August 2024 9,227 1 View
Hello. Thanks for your consideration to see my question. Recently, I conducted XPS anaylsis of g-CN that is prepared from thermal polycondensation of DCDA, so-called conventional bulk-g-CN,...
30 July 2024 9,824 2 View
N=6 Comparing pre and post test likert scale responses. Participants are mix of practicing & preservice teachers.
30 July 2024 7,233 4 View
Hello, I'm trying to measure the conductivity of semiconductor films but since I don't have a commercial four point probe set up I would like to build one on my own in my lab. I have generators,...
30 July 2024 906 2 View
Can an analytical method's limit of quantification (LOQ) be outside its linear dynamic range, or is it always required to be within it? Please provide a thorough explanation supported by verified...
29 July 2024 7,198 9 View
I am extracting proteins from plant samples and am currently attempting to use the TCA/Acetone extraction method. I am having trouble resolubilizing my sample after drying the pellet. I collected...
15 July 2024 9,025 3 View
HI , i am concerned about any resist hardening effect of Post bake my LOR +PPR coated sample @90C for 5 mins. I wanted to do liftoff in acetone but the metals are hard to peel off. I cant use PG...
18 June 2024 5,741 0 View
Use a solution of acetone and water to perform an extraction. After performing it, evaporate the acetone and lyophilize the extracts, but I am looking for a methodology to confirm that acetone has...
10 June 2024 5,047 3 View
We are currently trying to replace acetate when dehyrdating ("drying") cryo sections on glass slides with a less harmful alternative. For many chemical purposes ethyle lactate is recommended - has...
10 June 2024 5,213 3 View
Dear all, Hoping for ideas / suggestions for unclogging metallic fluid / paste dispense nozzles. Currently we have a metallic dispense nozzle clogged with silver conductive adhesive. We have...
29 May 2024 9,364 1 View
Dear colleges, Does anyone know solubility of Fe(NO3)3x9H2O in acetone g/100 ml Thanks in advance Branimir
26 May 2024 2,383 2 View
When Silica gel added in acetone, Silica gel not dissolved in acetone, but acetone form a light blue color solution , why ?
17 May 2024 4,351 0 View
We extracted PAHs from soil with acetone and then we used silica gel for clean up process , but after cleanup we found blue solution. if we used hexane, no color changed. Is this color compound...
16 May 2024 3,288 1 View
Hi, all I am doing the liposome flotation assay. In the end, I precipitated the protein and then ran the sds-page. But every time I could not see my protein in the gel, it was almost gone, maybe...
01 May 2024 6,085 7 View
I have 4 Bidens pilosa extracts prepared from fresh and air-dried plant material. they are annotated as fresh acetone, dry acetone, fresh water and dry water crude extracts. the acetone crude...
22 April 2024 5,993 2 View