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...

02 March 2020 518 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...

01 February 2019 8,123 2 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...

10 November 2017 9,539 6 View

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

05 June 2017 5,852 2 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 9,117 2 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 1,311 5 View

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

01 January 1970 3,562 1 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 View

Dapi fluorescence protocol for colon cell lines ?

28 February 2021 2,534 2 View

Necessary tube lenght to cool Natural gas in a dry-ice cooling bath?

I have a tank which contains natural gas at 250 Bar and 293 Kelvin. I want to cool the gas in a dry-ice cooling bath to about 195 Kelvin. The gas will flow in a copper-tube through the bath with a...

27 February 2021 8,128 1 View

Exit velocity of natural gas from pressurized tank?

Hi Guys. I'm a mechanical engineer and have a bit trouble, would be very glad if you could help me with my questions. I have a pressurized tank which contains Natural Gas at 200 Bar and 293...

26 February 2021 6,253 3 View

Gas sensor response and recovery time independant of flow rate and chamber volume?

I am trying to obtain the response and recovery times for my gas sensor device. It appears the the response/recovery times are primarily dependant on the flow rate of the gas I inject into the...

26 February 2021 1,511 3 View

Why do a weight decrease for thermal degradation in nitrogen gas condition?

Hi all The question is related to TGA(Thermogravimetric analysis). Thermal degradation easily understood but why do samples weight decrease? altough just binding is broked, the weight of...

26 February 2021 1,100 5 View

Why do the air flow results vary totally when adding scalar in CFD ?

Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...

25 February 2021 9,602 4 View

Cloudy/high background western blot - can anyone help me?

Hi everyone! I try to detect VDR protein (~48 kDa) using Western Blot. After SDS-PAGE using 10% MP TGX Stain-Free Gel from BioRad I transferred the protein onto an metOH activated PVDF membrane...

23 February 2021 6,266 3 View