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Questions related from Asmaa Selim
I am preparing 3 different membranes with different fillers , I recognize that the highest single-cell performance was achieved be the lowest IEC membrane , What is the relation between IEC and FC...
06 June 2023 6,962 0 View
I have prepared a Nafion based membrane , it worked in a good way , but after treating it following the typical protocol (3% H2O2 ,DI, 0,5 M H2SO4, DI) for 1 hr at 80°C each step and then stored...
21 October 2021 8,687 0 View
I have prepared 15wt.% PDMS and poured it on a glass petri dish, then let it dry for 72 hr at room temp. after I tried to peel it and it doesn't work, so I am crosslinked in an oven for 3 hr , but...
27 July 2020 10,475 2 View
For membrane preparation PVDF will be used , and I was wondering which solvent is the best for dissolving it, non-Toxic solvent , useful in dissolving other polymers such as PES, PDMS, Peba
06 July 2020 2,041 5 View
I am trying to prepare a composite membrane PVA/PAN Using 10% PVA solution , PAN UF membrane , coagulation solution 10% NaOH, Crosslinking with GA solution " GA+Sulfuric acid + acetone" The PVA...
09 December 2016 6,241 4 View
Preparing a pure PVA membrane by casting on glass substrate
23 November 2016 5,517 9 View
Will blending low concentration PVA to another high concentration, both have the same molecular weight, affect the swelling degree and hydrophilicity??
01 January 1970 4,094 2 View
What happened is the bottom of the beaker start to be burned and the solution is pale yellow color , Is it normal ?
01 January 1970 8,679 3 View
