Zohreh Raeisi

4 Questions 5 Answers 0 Followers

Questions related from Zohreh Raeisi

What is the temperature of a nitrogen cold trap when we do pervaporation test for alcohol dehydration?

what is the minimum temperature which is needed to trap pervaporation product ?

24 June 2016 6,065 6 View

If we have to use a pervaporation membrane again for another test, what pre-treatment i should take?

I am trying to dehydrate alcohol aqueous mixtures by using a mixed matrix membrane. I mean for alcohol dehydration via a Pervaporation membrane which I used once, is there any problem to reuse it...

07 June 2016 8,226 7 View

How can we cross-link Poly(vinyl alcohol) by glutaraldehyde by application of heat treatment?

there are some reports which used Glutar Aldehyde as a crosslinking agent for PVA while they did not use any catalysts such as HCl. So they crosslinked PVA by heat treatments such as @ 150 C for 1...

05 April 2015 3,214 3 View

What is the maximum ultrasound power for nanotubes?

There is one belief indicating on shortening of nanotubes under intense ultrasonication. Is there any maximum value for the ultrasound power when we apply sonication by a probe? I could not...

24 December 2014 5,706 3 View