Can we do the Rietveld refinement using XRD data recorded from a pellet/ceramic sample?

09 October 2019 4,975 10 View

Is total conductivity of CeO2 based material depends on the method of measurement?

07 August 2018 3,939 6 View

How to get crystallographic direction from the HRTEM image of a monoclinic structure?

03 April 2017 3,892 1 View

How to quantify the amount of Oxygen moving in/out from the sample on heating it from 500 to 700 C ?

I have some oxide sample; I want to know how much oxygen is moving in or out from the sample when I heated it from 500 to 700 C. Can it be possible to measure it by TG-MS, if yes where I can do it...

09 October 2016 3,083 5 View

How to get Crystallographic Information File (CIF) of XRD with the help of .raw and .txt files?

I have a raw and txt file of a compound how I can use them to get a CIF file for the compound? Please help

09 October 2016 2,270 0 View

Reversal in intensity of the 250 with 550 peak for rhodamine during UV-Vis experiment for photocatalysis?

"When I am doing UV-Vis experiments with methylene blue or Rhodamine, I am getting the evidence for their degradation, but why I'm seeing an intensity reversal for the 250 and 550 peak of...

08 September 2016 2,406 19 View

Dilatometer facility at any place in India?

07 August 2016 9,465 3 View

Calculation of oxygen storage capacity from TG?

05 June 2016 2,031 0 View

Can ph of a solution be reversible?

I was preparing a compound by co-precipitation method. After reaching ph-11, I continue adding ammonia to it, but ph of the solution starts decreasing. Can anybody please explain this phenomenon?

04 May 2016 3,029 4 View

What is the role of pH in Co-precipitation method?

how we can determine the ph for precipitation in co-ppt method?

04 May 2016 9,570 5 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 2 View

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

How Relativistic effects is one reason for lanthanide contraction?

The Lanthanide contraction which is the decrease in ionic radii of the elements in the lanthanide series from atomic number 57, lanthanum, to 71, lutetium, is due to poor shielding of the 4f...

01 March 2021 2,272 4 View

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View

How to quantify carbon deposition on CuZnAl catalyst?

Dear All, I want to quantify carbon deposition on the surface of the CuZnAl catalyst. I have tried thermogravimetric analysis, but I've got weight gain as the active Cu- get oxidised. Does anyone...

01 March 2021 1,907 3 View

Why Trivalent chromium start precipitating above PH 5 ? Moreover discuss difference between adsorption of chromium and precipitation of chromium ?

I am a student of MS Environmental Engineering and started my research phase. I am working on metal removal ( chromium iii ) by using activated carbon prepared from the agricultural feedstock. So...

01 March 2021 5,475 2 View

What pH condition required to coat APTES on silica coated Fe3O4?

It's a hydrolysis reaction, which may produce by either acid or base-catalyzed reaction. so can anybody help me with this, which condition is suitable for this reaction?

26 February 2021 1,760 8 View