Polymer Technology
I have done ORR LSV (attached file) at different RPM (400-2000) in 0.1M KOH electrolyte (PH=13) using RDE. My teacher said that it is wrong due to limiting current density. Kindly give me your...
08 September 2019 1,662 2 View
I used Image j but I didn't get correct result, is there another way to calculate particle size?
05 June 2019 8,862 3 View
Please suggest me a correct method of dilution of solutions to convert ppm to ppb. Let suppose I have 0.05 mg/ml solution, it has 50 ppm and I want to convert into different ppb solutions like 50,...
04 May 2019 9,307 1 View
Hi, I have used American Mineralogist crystal database and downloaded .cif files and then used VESTA software to simulate XRD pattern and also have jcpdf number, I want to match with my own XRD...
04 May 2019 1,468 4 View
Is there any literature or trilaterals?
04 May 2019 3,309 6 View
Hi, everyone, I needed JCPDS files of Pt, Cu, PtCu & Cu3Pt, if anyone have then please share with me, I will be highly thankful. File numbers are as follows: PtCu = JCPDS 48-1549 Pt = JCPDS...
04 May 2019 1,856 4 View
I did BET for my catalyst (PtCu Nano particles) when I got result, I saw this error (given in attached figure), as BET Surface area is too low, what does "fail'' mean? is it incomplete analysis or...
03 April 2019 7,043 10 View
01 February 2019 4,976 12 View
01 February 2019 4,924 3 View
I have collected a LSV data by taking Hg/HgO as the reference electrode. But I want to convert this one to RHE. Please suggest me the required conversion equation. 0.1M KOH was taken as the...
01 February 2019 6,730 4 View
effect of double bond on the flexibility of polymers
07 April 2021 0 0 View
I am writing to request some information for making polymer color flakes. I would appreciate the help.
17 March 2021 0 0 View
I am making polymer composite by solvent mixing method. When I am trying to add filler solution in polymer solution it quickly get solidified. How to make them then uinform? It doesn't give time...
03 March 2021 7,540 4 View
dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...
03 March 2021 6,994 5 View
The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...
03 March 2021 4,107 4 View
Anyone can recommend any books on such topics? Thanks in advance.
02 March 2021 8,457 2 View
Hello, I am working on the photocatalytic degradation of PEG 400. I would like to know if it's possible to determine the degree on polymerization based on NMR integration, or by the MW of the...
02 March 2021 6,186 3 View
I want to polymerize TEOS on a surface. I know that NH4OH is a preferred catalyst and an alcoholic solvent should be used .But I can not find certain amounts of each material to use. Does any one...
02 March 2021 1,404 6 View
Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...
28 February 2021 7,882 2 View
What could be the reason of moisture at the sides of Vial when I am preparing my polmyer+DMSO solution for membrane fabrication? What etiquettes I am possibly missing here?
28 February 2021 6,516 5 View