Jawad Ali

6 Questions 14 Answers 0 Followers

Questions related from Jawad Ali

Is there any role of Height/intensity of XRD peak while studying reduction of Graphene Oxide?

Hi. In XRD, the reduction of GO to rGO can be explained with the 2theta peak shifting and interlayer (d-spacing) values. Do we also need to explain the height /intensity of peaks, if there is some...

25 October 2021 5,517 4 View

Why not the suspension of Graphene oxide and humic/fulvic acid with NaCl generate reactive oxygen species (ROS) under UV irradiation?

Hi everyone. As GO or HA/FA itself produce ROS radicals if we treat them lonely with UV light but GO and HA/FA in NaCl suspensions do not produce ROS under UV light. What may be the possible...

26 August 2021 3,517 2 View

How the reactive oxygen species (ROS) can effect the aggregation kinetics of nanoparticles (graphene oxide)?

Hi, I am doing work on aggregation behavior of graphene oxide (GO) in the presence of Humic and fulvic acids under UV light irradiation. Both GO and HA/FA acid produce ROS under light irradiation....

05 November 2020 5,856 0 View

How to solve the "zero count rate" of dynamic light scattering machine?

Hi, When I start the measurement after putting my sample in DLS machine, it shows zero count rate and didn't measure the readings. I have also attached the screenshot for your kind consideration....

18 August 2020 5,919 3 View

Is there any other alternate instead of using HF in extraction of Humic acid from soil sediments.?

I am extracting HA from river soil sediments and in the end of extraction we have to de ash the HA by HF and HCl. Can we use any other compound, chemical instead of HF to de ash the extracted HA....

26 January 2018 5,897 2 View

Dear All...the filtrate of soil solution was not clear, it contains mud and dust which is not suitable for further analysis of soil.

I am working on some analysis of soil. When I make solution of soil with water. After shaking and filtration, the filtrate obtained was not clear and contains mud and turbidity. I also tried with...

01 January 1970 9,430 7 View