Niaz Ali Khan

11 Questions 23 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 5,987 3 View

How to calculate rate of reaction of the same reactant in liquid and vapor phaser?

Hello, I am trying to calculate the rate of reaction of a reactant in both liquid and vapor phase. Any guidance will be highly appreciated.

25 November 2019 5,504 2 View

Is It possible to calculate the rate of reaction between two reactants in vapour and liquid phase?

Hello I am doing a Schiff-base reaction between an aldehyde and amine. This reaction has been reported in literature in liquid phase and it takes about 72 hours. But when I use a solid-vapour...

21 November 2019 6,939 3 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...

18 February 2019 2,932 2 View

Sorry if it sounds lame but can anyone tell me how to calculate the number of pores, say 10x12/cm-2 from BET?

I want to compare the number of pores/cm2 of different materials but can't find a way to do it for different materials such as Zeolites, ceramics, MOFs etc

15 February 2019 5,388 3 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

07 January 2018 9,281 3 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...

26 December 2016 6,563 5 View

Any reaction between aromatic amine and aromatic ketone?

Hi, I am trying to do a reaction between aromatic amine and aromatic ketone. First i thought it will be a straight forward reaction with some acids as catalyst. But it seems a bit difficult to...

30 October 2016 5,037 12 View

Hello, I am trying to functionalize PAN filterpaper with Amino group?

Hello, I am trying to functionalize PAN filterpaper (PAN microlayer on PET) with some Amino group? Is it possible? APTES will work for this purpose? Ideally I would like an aromatic amine...

26 October 2016 2,876 5 View

Hi, I am trying to functionalize any filter paper, PTFE, Cellulose, Nylon, or MCE with amine group?

I am trying to grow a polymer membrane on a support but I need to functionalize the support first. My one monomer has Amine and the other has Ketone. I think if i can functionalize the filter...

16 August 2016 8,032 4 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 6,145 1 View