Polymer Chemists' Network | Contact experts in Polymer Chemistry to get answers
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Questions related to Polymer Chemistry
I have some results related to estimate the crystalline size of nanoparticles through the Scherrer-Debye equation, as well as zeta potential values determined through the DLS technique. I am...
09 November 2023 6,117 1 View
used Tio2 as etc and mixed peroskite as the active layer . but upon heat treatment the phase is same . i.e. doesn't turn yellow . what could be the possible reason ?
09 November 2023 4,938 0 View
What distinguishes turbines from expanders? I've observed that numerous cogeneration cycles incorporate expanders, but I lack knowledge about their specific characteristics.
09 November 2023 4,022 4 View
Global boiling is the description given by the Secretary-General of the United Nations (Antonio Guterres) to the extreme hot weather the world is witnessing and the record high global temperatures...
09 November 2023 7,566 4 View
Determining the lithium-ion diffusion coefficient in energy storage devices, such as lithium-ion batteries, is a crucial parameter for understanding and optimizing their performance. The...
08 November 2023 9,013 3 View
kindly help me to interpret that this data follows which type of isotherm. it looks abnormal or if anyone can explain lease provide references. Thanks in advance
08 November 2023 8,301 4 View
Dear reader: Thank you very much for looking into this question! I am testing a dry etching process that transfers the photoresist profile into silicon. The target is using O2/SF6 reactive ion...
06 November 2023 598 4 View
Dear Researchers, I typically apply a gold deposition of 5-10 nm thickness on samples for SEM analysis using a sputtering technique. This process involves the use of 20-30 mA of current and...
06 November 2023 3,836 2 View
"Many of the papers have left readers perplexed when attempting to replicate the device due to insufficient or unclear experimental details. Can you recommend a paper that provides more...
06 November 2023 2,031 0 View
I am using a syringe pump to feed 9 wells microfluidics chip, for one case I need a separate flow for each row of the chip ( 3 inlets ) and for a second case I need a separate flow of each well (...
05 November 2023 8,799 1 View
In my country, we have HCL and Nitric acid, does anybody knows a method of acid digestion of clay in order to used ICP-MS? I need the protocol of acid digestion.
04 November 2023 3,508 1 View
I'm trying to identify a marker/dye that can be assessed (via histology) from post-mortem eyes which have undergone subretinal and suprachoroidal injections. Any advice on successful agents would...
03 November 2023 7,643 1 View
How to determine the Flexure deformation of the column: For ductile RC structural components (beam and column), the flexural deformation is mainly concentrated within the plastic regions of the...
03 November 2023 1,229 0 View
voltage- 15 kv, flow rate- 0.5 mL/hr and distance from the needle tip to collector is 12 cm
02 November 2023 5,828 2 View
Hello! I treat a polymer surface with plasma and I expect that some free radicals form on it, because it demonstrates high adsorption. How could I quantify the presence of free radicals on a...
02 November 2023 748 2 View
I synthesized Fe3O4 nanoparticles using the co-precipitation method. One of the procedure is reacting with NH4OH 25% until pH 11 and a black precipitate is formed. I want to wash the precipitates...
02 November 2023 7,295 2 View
I would like to ask how to compute for the surface energy of my glass substrate coated with APTES? I have the surface tension of the my ink and the contact angle of my ink to the APTES coated...
02 November 2023 895 2 View
Hi dear colleagues Can anyone tell me which medium is good for together growth of bacteria and fungi?
02 November 2023 1,693 4 View
In a reaction like the Fenton process, which involves the use of Fe(III) and H2O2, does the concentration of Fe(II) species formed remain constant, whether there is water contamination or...
02 November 2023 5,299 5 View
The use of basic alumina to purify acrylic acid ( stabilized with hydroquinone monomethyl ether) is causing turbidity. Is this a normal occurrence, or is there a specific precaution I should take?...
01 November 2023 556 0 View
how d i interpret or determine with the mesure distance the pitchand compare characteristic freature szeand density among three media with statistical data things like total projected area, mean...
31 October 2023 5,411 1 View
I have digested 400 mg of my sample, which theoretically contains 10% zinc, in 50 ml of 5% nitric acid. After analysis using ICP-AES, the amount detected was 1.121 mg/L of Zn. How can I...
31 October 2023 564 1 View
Dear Scholars, In financial time series modelling, the usual practice is to model the financial variable using the log-return. Why can't we model the financial time series using the price? I am...
31 October 2023 3,661 6 View
I'm using Autodock 4.2 for docking. I've had a prompt to add parameter files to my ligand which is a silver atom (Ag0). How do I get these parameter files? And how do I add these parameter files?
30 October 2023 7,919 1 View