Azita Etminan

7 Questions 5 Answers 0 Followers

Questions related from Azita Etminan

How to prepare sample for the AFM imaging of the nanopowder?

I used dispersion sample preperation for the AFM test but I just can't seem to acquire clear pictures of the particles sticking together!

02 November 2023 4,338 4 View

I am trying to prepare a Ni-based catalyst(Ni/Ce2O3) by co-precipitation method. I was wondering what is the best precipitation agent and PH?

I am trying to prepare a Ni-based catalyst(Ni/Ce2O3) by co-precipitation method. I was wondering what is the best precipitation agent and PH.

24 October 2023 3,945 3 View

TEM sample( catalyst powder) preparation?

My sample is a catalyst based on metal oxide(NiO, Ce2O3) I want to do TEM test, I was wondering how to prepare the sample for the TEM test? Thank you.

06 October 2023 2,168 2 View

How should I connect GC to a continous recator for water gas shift reaction?

I am running a catalyst test with a fixed-bed reactor. I need to connect a GC to a reactor to analyze the output gases. I just don't know how should it work.

12 September 2023 7,155 1 View

GHSV, gas hourly space velocity?

As GHSV, gas hourly space velocity is basically the ratio of volumes of feed gas at STP/hr to the volume of the reactor or catalyst. Can we report the GHSV based on mL*gr-1cat h−1 because it...

12 September 2023 1,051 2 View

How to calculate the mean pore size and volume from Brunauer-Emmett-Teller (BET) results?

I want to calculate the BET results' mean pore size and volume!! Thank you!

08 September 2023 209 3 View

Hi, In the HSC how do we calculate the CO conversion as a function of temperature in different s/c ratios for the WGS reaction?

07 March 2023 3,083 0 View