Seyyed Jafar Saghanezhad

8 Questions 3 Answers 0 Followers

Questions related from Seyyed Jafar Saghanezhad

If two powder xrd patterns are the same, can we conclude that they are the same compounds?

We have prepared some catalysts with some modifications, but the core structure is the same. we have recorded the Xrd patterns. some of them are the same. It should be mentioned that the melting...

05 May 2017 6,615 9 View

How is it possible to differentiate powder ingredients according to density?

there are some polymeric and inorganic materials which have different densities how is it possible to separate them according to their different density

12 December 2016 4,949 5 View

How is it the best way to immobilize IonicLiquids-organisilane linkers on Nanoparticle surfaces?

there are two ways: 1- a 2-step reaction. a)organisilane linker, immobilization; b) Nucleophilic attack both in toluene 2- first preparation of IL-organo silane linker, then immobilization on...

09 September 2016 9,631 1 View

How we can determine the purity of TiCl4?

we need a test method to determine the purity of TiCl4.

02 February 2016 916 3 View

Can we perform condensation polymerization under solvent-free conditions?

Drying organicsolents is time-consuming and difficult, especially for DMF and DMSO.

12 December 2014 8,166 4 View

What is the best radical initiator in methanol (solvent)?

I have used AIBN and benzoyl peroxide. AIBN was better for me.

12 December 2013 5,227 1 View

Why do some chemists publish articles if they are aware that the reaction had been reported without any catalyst or under solvent-free conditions?

What is the reason to publish and mislead the society?

08 August 2013 5,701 4 View

What is the synthetic procedure for the preparation of 1-allylimidazole?

i have attempted different ways which all were unsuccessful or lead to a pasty substance. I have tried imidazole + NaOH in water enthanol mixture, and also imidazole + NaOH in DMSO. and also ethanol.

07 July 2013 796 5 View