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Questions related from Hafiz Usman Khalid
I wanted to study the wettability and chemical structure of coated samples. Should I dry it overnight in a cabinet at room temperature?
28 July 2025 4,089 0 View
Just like researchers have studied BSA and Albumin for instance in biofilm formation in the human body.
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I got some dispersed data points during my EIS analysis. Can someone point out any specific reason for that? If there any referenced article related to it, kindly share. Because I have seen...
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Can someone tell me whats the step transition before the final melting point of HDPE is telling us? Probably it's due to some additive, pigment, or some crystal formed during processing. I am...
08 May 2021 5,488 3 View
HDPE samples were aged at higher temperatures in the presence of water and CO2 than the TGA test was performed in Nitrogen? Weight gain is seen in the curve? What could be the possible reason for...
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The real part of permittivity is dielectric constant ( ε՛ ) and a negative one is dielectric loss ( ε՛՛ ), while in some research articles they use tan δ as a dielectric loss. So which one do we...
13 January 2021 6,577 2 View
I get the impedance values (real and imaginary parts) from the EIS technique. Can we correlate to it any dielectric property (dielectric loss, dielectric strength, or dielectric constant) using an...
14 December 2020 4,806 8 View
There are different values for Tg of PE in the literature. The values are (-78, -110, -125 deg C). Are these correct. As I ran a DSC for my HDPE sample (1mm and 3mm) and got this curve. As per my...
10 December 2020 3,008 11 View
