Elham Tavakkol

7 Questions 15 Answers 0 Followers

Questions related from Elham Tavakkol

A simple question: what should we do to make a mixture based on the volume percentage and apparent density of the powder?

I want to produce metal nanoparticle/polymer masterbatch using a twin screw extruder. The optimal ratio of polymer to nanoparticles is expressed based on volume percentage. To convert to weight...

08 December 2022 9,494 4 View

How to calculate The Normalized Reflectance Spectra Weighted by Human Body Radiation?

I study on some kind of infrared barrier and I don't know how to calculate normalized reflectance spectra weighted by human body radiation? For example you can see results of this article but...

12 July 2022 4,126 2 View

Is it possible for Polypropylene to have two melting peaks in DSC curve?

The granules of polypropylene and metal microparticle compound were feed to melt spinning machin. Differential scanning calorimetry (DSC) measurements were carried out to examine the melting...

25 January 2022 5,375 9 View

What's wrong with Vacuum thickness in COMSOL?

I try to simulate a periodic structure in IR frequency range by " electromagnetic waves, frequency domain " physics of COMSOL but recently I was find that the Vacuum thickness has effect on...

13 January 2020 3,815 8 View

How to use the results of the ATR and FTIR spectroscopy to calculate the Mid-Infrared reflectivity and transmissivity?

For polymer film samples, if reflectivity and transmissivity in the mid-infrared region (here, 4 to 16 micrometers) are desired, and using a FTIR & ATR spectrometer (Bomem MB Serie Hartmann &...

25 June 2019 4,460 4 View

What is the size and power of the infrared beam in ATR spectrometer?

What is the diameter and power of the infrared incident beam in ATR spectrometer? In typical device I mean, but if you know the details of a particular device, please mention the model. Many thanks*

23 April 2019 3,640 3 View

How can to use FTIR spectra for quantity measurements?

for example in my work, i should produce nanofiber mat via in situ polymerization (addition polymerization). i use several material as carrier in electrospinning. now, i produce nanofiber but i...

31 August 2016 10,030 6 View