Ebrahim Mostafavi

5 Questions 6 Answers 0 Followers

Questions related from Ebrahim Mostafavi

Is it possible the CO methanation activity decreases with increasing the specific surface area (SBET)?

In an experiment, SBET increased with increasing the amount of CNTs from 10 to 30wt%, but CO methanation results revealed that the activity of the sample processed by 10wt% CNTs was better. How...

07 February 2015 1,965 7 View

Which surfactants have the best performance for dispersing particles in co-precipitation synthesis of perovskites (specially for LSCF compounds)?

Some researchers have been reported DF10, Acetylacetone and PVP as surfactants, but I need more information for preventing from agglomeration of particles during co-precipitation synthesis...

30 December 2014 2,334 3 View

How could it be possible that the formation of barium-monoferrite bypassed during the formation of barium hexaferrite?

In the conventional solid-state synthesis of barium hexaferrite (BaFe12O19) before complete crystallization of BaFe12O19, an intermediate phase of barium-monoferrite (BaFe2O4) was formed. In some...

30 December 2014 688 6 View

What is the magnetic properties of Bi2O3?

What kind of magnetic behavior Bi2O3 has? Can anyone give me a reference for magnetic properties (Ms and Hc) of bismuth oxide?

15 October 2014 2,155 3 View

How we can stabilize the ceramic powders with high density (above 8 gr/cm3) in a water solution?

I used citric acid as a dispersant agent but the powders settled immediately

17 July 2013 8,686 1 View