01 July 2021 1 8K Report

I want to analyze Metals collected on 47mm PTFE Filter.

More Muhammad Asim's questions See All
Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

Why the results when using wall thickness and when using shell conduction are different in ansys fluent?

Actually, I am running cfd simulation for a heat exchanger which has two fluids one hot and other one is cold fluid. there is a solid domain between them, which I removed and instead I have used...

01 March 2021 9,537 2 View

How much pressure we can reduce at the outlet to avoid Reverse Flow?

I am simulating Heat Exchanger. I have tried and tested all the methods to resolve this issue from the internet like refining mesh, improving skewness and orthogonal quality ,extending outlet to...

01 March 2021 6,985 3 View

How to calculate the annealing temperature of a primer pair?

I have to amplify a gene and my primers just reached. The Tm for Forward primer is 64.2, and that of reverse primer is 65.5. Can some one suggest how to get the best annealing temperature? Thanks...

01 March 2021 360 7 View

What is recommended for solid domain in ANSYS FLUENT?

Should I mesh the solid domain ? or should I use wall thickness? or Shell conduction? for Heat Transfer between two fluids of a Heat Exchanger. what is recommended?

01 March 2021 9,785 3 View

Can Virtual Servers (remote dekstop manager) run heavy ANSYS Fluent CFD simulation ?

I have a virtual machine. My host Pc specs are not that good thats why i went for virtual servers. so basically my host pc has 8gb of ram with nvidia quadro k2200 4Gb DDR5 GPU ,processor intel...

01 March 2021 8,415 1 View

The reason that the culture of white fungi Contamination with green mold(Trichoderma), the culture autoclave at121 for 15 min. What is it?

Is the period to autoclave not enough? The inoculation in a hood and flame and UV and alcohol.

27 February 2021 9,356 3 View

How to include original NMR data in a manuscript?

hello. i am junior researcher. I received a comment from a reviewer that he could not find NMR data in my submitted paper. I had included the NMR graph with explanation and formula to calculate...

27 February 2021 734 4 View

Does different dilution factors affect negatively on NH3 reading ?

I have a sample of treated water sample & asked to obtain ammonia conc. in sample using a machine with 5-25 ppm detection range. However, upon testing with different dilution factors, all...

27 February 2021 8,483 3 View

Can anyone share his experience regards Smoothing in origin?

I am working on TiO2 composite material and the results of XRD have a lot of small/junk peaks and while I apply a smooth filter in Origin then the other characteristics peaks disappear so anyone...

26 February 2021 8,183 3 View

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Have you ever experiencing air vent trouble in fermentation process?

Dear all, My research group is currently working with a 12-litre fermenter. Somehow, if we do the fermentation for more than 20 hours, the process will be more prone to contamination. Our current...

23 February 2021 1,908 2 View

Can anyone please suggest where I can find a reference for ReaxFF parameters for PTFE(Teflon) suitable for use in LAMMPS?

Trying to simulate a ice-PTFE interaction and am unable to find a reference which actually lists out forcefield parameters for PTFE-PTFE interactions using ReaxFF or even other force fields like...

08 February 2021 9,373 2 View

What is the average lifetime of ODLAB acid inert heating plates?

Dear Colleagues, common hotplates have a short lifetime when used for acid digestion of rock/mineral samples. PTFE/graphite coated hotplates are much more expensive and should live much more than...

21 January 2021 1,208 3 View

Is it possible to measure surface area of the polymer film using BET analysis?

I need to measure the surface area of the polymer film (PTFE, PET, 50 um thickness) with micro/nano roughness on the surface (not porous). Is it possible through BET analysis? What is the best way...

20 August 2020 8,866 6 View

Why the gold turns from grey to red after sputtering on PTFE?

Hi all, Recently, I sputtered some gold on the surface of PTFE with a thickness of 1 nm and 3 nm (Please see the attached). The color was grey when it was done. However, after about one day, the...

19 August 2020 1,267 3 View

Commercial materials/surfaces for contact measurement?

Does anyone know of, or use, commercially produced surfaces for contact measurements (control material)? As an example, is there a producer of PTFE discs with highly controlled surface roughness...

09 April 2020 8,806 5 View

Is it possible to coat PTFE on PP to decrease surface energy?

I would like to know about the coating possibilities of PTFE on PP or any other fluorinated polymer on PP to decrease surface energy. All suggestions are welcome.

27 March 2020 9,623 3 View

Are glass vials suitable for microwaving organic solvents such as Dicholoromethane? And, can DCM be microwaved at 100 deg C in a sealed tube?

I want to convert a carboxylic acid into Thio Acid using Lawesson's reagent. Based on the literature, this reaction requires a microwave reaction with Dichloromethane as an organic solvent, at 100...

27 February 2020 9,173 2 View

How can I get rid of HCl in PTFE tubular reactor?

Hello. I'm studying PTFE tubular reactor that synthesizes conjugated polymer, pharmacies, etc. My synthesis method is the reaction Cl of POCl3 and OH of another material. That makes lots of HCl,...

01 February 2020 6,053 1 View

Are glass vials suitable for microwaving organic solvents such as Dicholoromethane? And, can DCM be microwaved at 100 deg C in a sealed tube?

I want to convert a carboxylic acid into Thio Acid using Lawesson's reagent. Based on the literature, this reaction requires a microwave reaction with Dichloromethane as an organic solvent, at 100...

01 February 2020 2,700 3 View

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