Seyedeh Faezeh Hashemi Karouei

6 Questions 10 Answers 0 Followers

Questions related from Seyedeh Faezeh Hashemi Karouei

What is the reason of deterioration of polymer in humidity?

Gas sensor based on polymer are sensitive to humidity. What is the reason of deterioration of polymer ( for example :polyaniline) under high humidity?

05 May 2018 350 2 View

What is the possible result of the chemical reaction between carbonic acid and lanthanum orthoferrite?

I would like to know about the possible reaction between carbonic acid and lanthanum orthoferrite and the condition of the reaction. Is there any possibility? I will be so thankful to receive the...

05 May 2018 6,283 7 View

Is it possible the suspension of doped Polyaniline become undoped during a period of time for example after 4 months?

I synthesized Pani (Pani was synthesized by in-situ chemical oxidative polymerization of 0.1 M double distillated aniline in 1M aqueous HCl solution and slowly dropwise adding of APS solution with...

04 April 2018 5,609 10 View

Are all superparamagnetic nanoparticle single domain?

What is the critical size of magnetic nanoparticle to be superparamanetic and how can I determine its domain? And what is the range of squareness ratio (M r/M s) for superparamanetic nanoparticle?

06 June 2017 3,514 3 View

What is a possible decomposition equation of LaFeO3?

we prepared LaFeO3 with Lanthanum nitrate (La(NO3)3·6H2O),ferric nitrate (Fe(NO3)3·9H2O) with equal molar ratio and citric acid(C6H8O7.H2O). I want to know the possible chemical equation of...

04 April 2017 7,530 2 View

What is the optimum ratio of CSA/ polyaniline for better protonation of polyaniline as a gas sensor?

We want to protonate the polyaniline with CSA for gas sensor. I would like to know that what is the best ratio of CSA/ polyaniline for better protonation of polyaniline as a gas sensor?

03 March 2017 9,915 5 View