Gokulakrishnan Subramanian

5 Questions 22 Answers 0 Followers

Questions related from Gokulakrishnan Subramanian

Is it safe to use Sodium borohydride NaBH4 in water treatment processes? Please support your answers with examples, if possible.

Sodium borohydride is a versatile reducing agent. Is it safe to use in water treatment processes, considering the possible byproducts such as boric acid, Hydrogen gas etc.,

20 July 2013 6,612 2 View

Water treatment : What are the disadvantages of adsorption process/technology. Benefits of coupling chemical oxidation with adsorption?

Adsorption is a popular technique used in water treatment. What are serious drawbacks of this technique. Can coupling of chemical oxidation with adsorption improve the overall effectiveness of the...

19 July 2013 1,928 8 View

How to estimate the number of amine functional groups present on the surface of metal oxide modified with 3-Aminopropyl trimethoxysilane (APS)?

I have prepared Fe2O3 nanoparticles and used 3-Aminopropyl trimethoxysilane (APS) to modify the surface of Fe2O3 nanoparticles. Can anyone advice as how to estimate the number of amine...

19 November 2012 7,752 25 View

Formation of brown gel-like while synthesis of graphene oxide nanoparticle

I am preparing graphene oxide as per the protocol "http://pubs.acs.org/doi/abs/10.1021/am100673g"; After addition of hydrogen peroxide i washed the settled graphene oxide 3 times with 1 M HCl. In...

29 September 2012 6,670 13 View

How can I determine fluence rate (mW cm-2) of a visible light source (400-700nm)?

I am going to use an visible light source (400 - 700 nm, with peak maxima around 450 and 600 nm for my photocatalytic experiments. How can I determine fluence rate (mW cm-2) for the same? I...

22 September 2012 6,322 13 View