Afza Shahid

8 Questions 15 Answers 0 Followers

Questions related from Afza Shahid

What factors affect the density measurement of metals using Archimedes principle? How to get accurate measurements of density using this method?

My question is related to density measurement by Archimedes principle. 1. Does the amount of liquid in which the density of metal piece is being measured also matters? 2. Does the size of...

03 April 2019 6,820 14 View

How can I vary the lattice parameter of a structure using Atomsk (I have a CIF structure file and the structure is lil bit complex)?

I have a structure file. I want to input that structure file and get multiple structure files as output with varying lattice parameters. How can I do that using Atomsk. I want to vary the lattice...

24 October 2018 2,671 1 View

How to determine Bulk Modulus with E-V curve using EoSFit7 software?

I have Energy and Volume Data and I've plotted it. I'm unable to use EoSFit7 software for determining bulk modulus using Birch-Murnaghan equation. Can someone help me regarding this?

25 April 2018 8,441 1 View

How can I combine Buckingham pair potential and ZBL repulsive potential in LAMMPS using spline interpolation?

What commands are used for connecting Buckingham pair potential and ZBL repulsive potential in LAMMPS? Trying to connect both of them by spline interpolation? Fitting constants are given.

30 March 2018 2,548 6 View

How to check the homogeneity of a mixture of dry powders?

I want to know that how we can check that powder is homogeneously mixed or not? How can we assess the homogeneity of powder mixture. Lets say we have a mixture of metal and ceramic powder. The...

16 February 2018 10,058 6 View

How do we know the isoelectric point of powder dispersion without measuring the zeta potential of the powder dispersion?

For making powder dipersions for DLS analysis, the pH of the dispersions has to be adjusted according to the pH at the isoelectric point. How do we know the isoelectric point of the powder...

25 October 2017 277 10 View

What should be the optimal sonication time while preparing powdered particle sample for DLS analysis?

Generally what should ne the optimal time for the prepared particle dispersion for DLS analysis? Secondly is it compulsory to sonicate the solution prior to particle size analysis?

24 October 2017 7,351 7 View

While measuring particle size with DLS, it never says good sample quality. What may be the probable reason for this?

Sample quality is not good. It always says refer to quality report!

11 February 2017 1,979 9 View