Salah Ud Din

9 Questions 8 Answers 0 Followers

Questions related from Salah Ud Din

How to calculate Capacity retention for Lithium metal battery?

I have prepared half cell. Lithium is considered as anode in the system. Whereas, I would like to know what is actually capacity retention? How it can be calculated mathematically? On what factors...

03 June 2024 4,214 0 View

What is the reason that a Li-ion coin cell is not showing efficiency on neware battery testing system?

I have been working on electrospun membrane for Lithium Ion coin cells. I have tried to control different parameters, such as, thickness, electrolyte amount and many other parameters. I am facing...

27 March 2024 3,140 0 View

I have been trying to dissolve isotactic polypropylene in cyclohexane for electrospinning purpose?I observed a small fraction is soluble only?

As i asked in the question statement, I observed a little amount of PP is soluble in cyclohexane. If i want to prepare a 4 %w/w solution of PP in cyclohexane, it is obvious all of it will not be...

04 November 2023 5,941 4 View

Why dissolved polymer become gel like structure?

I dissolved a medium molecular weight polymer at 135 degree celcius and after removing it from flask, i poured it into glass bottle for further use but it became a gel like structure. Can anyone...

04 September 2023 8,476 3 View

PLA based elastomer?

Is high molecular weight PLA a good choice for application in elastomers? The molecular weight (Mw) of PLA I am planning to use is 80000. Kindly suggest if other biopolymers are suitable instead...

29 May 2023 5,429 1 View

How to calculate number average molecular(Mn) weight of poly lactic acid?

I have to use poly lactic acid for one of my experiments. The weight average molecular weight of poly lactic acid is 80,000. How i can convert Mw to Mn in order to calculate given amount of mass...

24 April 2023 2,458 2 View

How to draw a callibration curve and calculate the initial concentration (Ci) value in adsorption of heavy metal from aqueous solution?

I have been working on heavy metal sequestration via adsorption mechanism. In order to calculate further statistical values, Ci (initial concentration) value is required. I use AAS to detect the...

16 November 2021 3,641 3 View

Understanding the pH-behavior of Cr (VI) removal by adsorption mechanism using Fe3O4/activated carbon nanocomposite?

I am studying the removal of Cr (VI) from an aqueous solution by following the adsorption mechanism using Fe3O4NPs/activated carbon nanocomposite. I adjusted the pH range from acidic to basic. I...

26 January 2021 8,416 5 View

What is effect of Na ions on magnetite (Fe3O4) Nanoparticles?

I have used NaOH solution to control the pH of the system for the fabrication of Fe3O4 NPs following the green chemistry approach. When I take edx spectrum of Fe3O4 NPs I observed a huge peak of...

26 September 2020 1,406 3 View