Sadegh Yousefi

6 Questions 7 Answers 0 Followers

Questions related from Sadegh Yousefi

How much of salts are dissolve in water (T= 30°C) during partial dissolution of Carnallite (containing NaCl, KCl, MgCl2 and CaCl2) ?

Hi, I have mixed 0.5 L of H2O (T= 30°C) with 1 kg of Carnallite (containing 140 g NaCl, 180 g KCl, 270 g MgCl2 and 20 g CaCl2). Since that solubility of NaCl, KCl, MgCl2 and CaCl2 at 30°C are...

01 January 2019 9,786 4 View

Strain during the synthesis of nanostractures from aqueous solution by chemical precipitation method?

Hi every body, Is there any strain in the nanostructures synthesized by chemical precipitation route (e.g. Ca(OH)2, Ni(OH)2, Cu(OH)2 nanostructures and etc)? What causes this strain?

12 December 2016 505 2 View

Effect of particles size on thermal behaviuor of nanoparticles?

Hi I'm going to put a nanomaterial (Mg(OH)2) with two types of particle size (different particle sizes) which have been synthesized under the same conditions under thermal analysis (DTA-TGA). Are...

07 July 2016 609 6 View

Crystallite size measurement by Scherer formula?

Hi all, I calculated crystallite size for Mg(OH)2 sample from results of XRD. I used the strongest peak ( (101) ) to calculate FWHM. check other peaks to calculate the crystallite size and then...

07 July 2016 4,285 4 View

Preparation magnesium hydroxide / oxide samples for UV-Vis analysis?

Hi all, I'm going to analysis Mg(OH)2 and MgO by UV-Vis spectroscopy. For this purpose, which solvents are suitable for preparation of samples? Thank you S. Yousefi

06 June 2016 8,253 5 View

Alloys used for the manufacture of armor?

Hello everyoneI am looking for information about alloys used for making armor. What alloys have this potential? S. Yousefi

04 April 2016 5,599 3 View