Niaz Ali Khan

8 Questions 14 Answers 0 Followers

Questions related from Niaz Ali Khan

Is there any way to prove that polyerization reaction at solid-vapor interface is faster than liquid-liquid interface?

Hello, is it possible to calculate by any means or theoretical equation that a reaction at solid-vapor interface should be faster than liquid-liquid interface. In theory, at high temperature, the...

03 March 2020 584 1 View

How to do BET of a few 100nm membrane on top of porous support?

I am trying to find the BET surface area of a polymer membrane, pore size of below 2 nm which is supported on top of a microporous support (I can choose any such as PES, PTFE, PVDF, Nylon or any...

02 February 2019 8,176 2 View

How to put a SiO2/ZrO2 layer on Al2O3 support?

Hello, I want to put a SiO2/ZrO2 layer on AAO support and intend to grow a membrane for gas separation. Is there any easy way to grow this layer on AAO support? Thanks

01 January 2018 319 3 View

How to titrate aromatic NH2 in a polymer?

hello, I want to react polymer with TMC. My polymer has active amine group. I don't know how to quantify NH2 groups in my Polymer which is required to calculate the moles needed of TMC for such...

11 November 2017 9,608 6 View

Will there be monomer molecules in vapour phase, if I boil it's solution in auto-clave?

I have toluene solution of a monomer. If i heat the toluene above it's boiling point in an auto-clave, will there be some monomers molecules too in the vapor phase? Actually I need these monomer...

06 June 2017 5,915 2 View

Blackish particles after an hour in Hexaaminobenzene HAB solution in water?

Hi, I am trying to use a solution of Hexaaminobenzene trihydrochloride (HAB.3HCl) in water. The solution is clear, a bit greenish in the beginning, but after an hour or so, blackish particles...

01 January 1970 3,625 1 View

Any Dye with molecule size larger than 2nm?

Hello, I have prepared a membrane but the theoretical pore size is around 1.8nm. Does anyone knows a dye with molecular size larger than 1.8nm? I want to do the separation experiments on this...

01 January 1970 1,379 5 View

Any hazardous biomolecule/proteins with diameter more than 2nm?

Hello, Sorry to ask such a basic question but unfortunately I have no access to google or Google scholars. I need to use my membrane (pore size 1.8nm) to separate some hazardous bio-molecules...

01 January 1970 9,180 2 View