Dr. Joy Chakraborty

5 Questions 10 Answers 0 Followers

Questions related from Dr. Joy Chakraborty

Can I get molecular weight of a insoluble polymer by MALDI-TOF MS?

I have been working on a polysilane which is non-meltable and non-soluble in all common polar and non-polar solvents. Can I get any idea of the molar mass of this polymer using MALDI-TOF mass...

19 January 2017 1,628 2 View

What is the most suitable solvent for solution phase reaction of Europium acetylacetonate?

What is the most suitable solvent for solution phase reaction of Europium acetylacetonate? I want to do Europium metal insertion in Si-H bond to form Si-Eu bond. Unfortunately the Europium...

29 December 2016 1,236 3 View

Which type of EGA system when coupled with TGA is most efficient for qualitative and quantitative determination of pyrolysed gases?

There are some polymers which on pyrolytic decomposition produce several gases like CO2, CO, H2, CxHy, PH3, NH3 etc. along with several organic fragments. TGA coupled with Evolved Gas Analysis can...

22 October 2016 6,881 2 View

How do I remove HCl acid from a reaction medium containing a polar compound as a product?

Please suggest the effective removal procedure of HCl from the reaction medium. I have tried to use triethylamine to remove HCl but it is getting difficult to remove the salt because of the high...

03 November 2015 901 26 View

Electron beam deposition of Cr-Pt-Au multimetallic layers on Si substrate

In our semiconductor fab lab, we are depositing Cr-Pt-Au multi-metallic layers on Si (100) wafer using E-beam deposition instrument. We are using accelerating voltage 6 kV and required current...

01 January 1970 2,135 1 View