Sourav Sarkar

6 Questions 3 Answers 0 Followers

Questions related from Sourav Sarkar

How Can I analyze the SAED pattern and calculate the d-spacing from it?

The SAED pattern is generated from a graphene oxide sample. What are the conclusions can I draw from this image?

07 July 2016 5,431 5 View

What is the best possible procedure to mix urea-formaldehyde micro capsules into polymer matrix?

I have to make epoxy (EPON 828) fracture toughness samples with microcapsules embedded in it.

04 April 2016 1,882 2 View

How can I prove the existence of a core material inside a microcapsule?

I have attached an epoxy with a nanofiller material in presence of a solvent and have microencapsulated it. The shell material is Urea-Formaldehyde.Now I am facing difficulty to prove that the...

02 February 2015 6,674 10 View

Is their any special significance for extra large inter layer distance in graphene oxide?

I prepared graphene oxide following the Stauddenmeir method but I changed the standard acid ratio. In result I got graphene oxide after 4 days which has interlayer distance above 11Å which more...

01 January 2015 8,592 3 View

What is most simple and least hazardous method of reducing graphene oxide to high quality graphene?

The graphene oxide is prepared following the Stauddenmeir method.

11 November 2014 508 5 View

How can I successfully oxidize the graphite to make graphene oxide following Stauddenmair method?

Actually I added nitric acid and sulfuric acid 1:3 proportion followed by potassium chlorate and 4 days of stirring but did not get typical brown colour of graphene oxide. I will appreciate any...

08 August 2014 7,424 6 View