Anyone can help me, please. How do calculate the bulk density of nanoparticle?

I have XRD data of ZnFe2O4 nanoparticles. I want to calculate the porosity of sample. I wanna use the equation P = 1 - (X-Ray density / Bulk density) such as represented in many papers. I am still...

02 March 2016 8,068 6 View

Anyone can help me, how to determine the error value of crystallite size and lattice parameter based on Scherrer's equation?

I found difficulties to decide which approach or equation should be used to determine the error value of crystallite size and lattice parameter that are calculated by using Scherrer's equation and...

11 December 2015 2,375 5 View

With NixZn(1-x)Fe2O4, if the Ni concentration increases the crystallite size becomes smaller and the lattice parameter becomes larger. Why?

10 November 2015 2,054 10 View

How can I measure the relaxation time T1 and T2 of sample in the form of nanoparticles for contrast agents application?

In other be able to justify a sample that can be used as contrast agent in MRI, so some requirement must be taken into account, such as magnetic properties, optical properties, and relaxation time...

07 August 2015 8,415 5 View

Could anyone tell me how to plot Tauch plot base on UV-Vis data?

Gap energy is fundamental quantity to investigate the optical properties of material. Gap energy can be obtained from Tauch plot base on UV-Vis data (transmittance v.s. wavelength). Somehow, the...

07 August 2015 4,527 15 View

How do we determine the cation distribution of spinel ferrite?

01 January 1970 9,501 3 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

Zno nano particles colour changed from white to grey in process of calcination any suggestions?

In the formation of Zno nano particles process, after drying at 120 degree C, my zno nano particles are completely white but when i calcine it for 450 degree C it converts into grey colour. i...

26 February 2021 2,435 4 View

Modeling viscosity using model of Chung?

Hello, As part of simulation of gases mixture and water, I need to calculate viscosity of the fluid components and I am using relationships proposed by Chung et al. (1988). The irony is while I...

25 February 2021 8,053 5 View

Model Volume fraction and magnetic field applications of nanofluids in ANSYS?

Hi I am working recently on a project where I have to study how the thermal properties or heat transfer enhancement of nanofluids as the volume fraction changes, or if a magnetic field is applied...

22 February 2021 961 2 View

How we can measure Kemp % in wool without using of benzene?

Would you please let me to know about the methods for measurement of medullation and Kemp % on animal? My problem is that the wool sampling and sending to laboratory is not possible. So I would...

21 February 2021 7,260 4 View

What is difference between In-line transmission (%) and Total transmission (%) value of optically transparent Ceramics?

I am working on transparent/translucent zirconia-based ceramics. In many papers, I have seen that they are reporting both In-line transmission (%) & Total transmission (%) value of...

20 February 2021 9,405 6 View

How can I find the thermophysical properties of high temperature microencapsulated phase change materials (MPCM)?

Hi everyone. I am looking for a high temperature MPCM. More specifically, I need the thermo physical properties of a microencapsulated phase change material with the melting temperature between...

14 February 2021 3,606 2 View

Problem in detection of a specific gene & elimination of primer dimer in qpcr?

In our lab, we are trying to do real time PCR for some genes. One of them has a size of 85 bp. Whatever we do, we had an amplification in negative control. When we run agarose gel, it always a...

14 February 2021 9,750 11 View

In your experience what is the difference between G.652D and G.655D optical fiber. In field and in lab?

In our current era there is a big confusion about the usage of G.652 and G.655 optical fiber cable. Theoretically G.655 is much better than G.652 but the operator feel that G.652 is giving almost...

11 February 2021 4,006 8 View

I am looking for a microbend optical sensor design...can anyone please provide me some idea about it??

I am working on a landslide model...i need an optical sensor to determine the amount of pore pressure and other values..i am thinking of using a microbend sensor. Can anyone please provide me with...

11 February 2021 5,911 2 View