Srikanth Vijjamarri

6 Questions 10 Answers 0 Followers

Questions related from Srikanth Vijjamarri

How to purify Benzaldehyde with benzoic acid contamination ?

I am running reactions with benzaldehyde but the reactivity is slow than it has to be, thought it might contaminated/oxidized to benzoic acid. what is best way to purify it ? like wshing it with a...

07 November 2018 2,622 1 View

Where can I find parameters for 11B (BORON NMR - Bruker 500MHz instrument) ?

Looking for 11B (Boron NMR) parameters of Bruker NMR instrument

30 August 2018 6,432 3 View

How to calculate Yield of a unknown using internal standard in NMR ?

We are trying to recover the starting monomer from a polymer, trying to calculate the yield of it using internal standard in NMR

20 June 2018 10,008 2 View

Can hexamethylbenzene or benzene works as the good Pi electron donar like pentamethyl cylopentene (Cp* and Cp) ?

I would like to synthesize some Co and Fe half sandwich complexes with replacing the classical Cp and Cp* ligands with other ligands sources

23 December 2016 522 1 View

Can we get the Tg (glass transition temp) for viscous polymers ? what properties would be better to take for a viscous polymer ?

Is it necessary to be in the solid state to get the Tg for a polymer?

21 April 2016 8,726 8 View

What is the best method to separate the silylesters ?

coupling of carboxylic acids with hydrosilanes produce the corresponding silylesters but these are very sensitive to purify through the column using silica.

09 November 2015 6,525 2 View