Yunus Ahmed

3 Questions 4 Answers 0 Followers

Questions related from Yunus Ahmed

How can I measure the antioxidant activity (DPPH) for crude plant extract?

Is there any simple procedure or SOP to measure the antioxidant activity. Please help me. Is it necessary to draw the calibration curve by the standard sample such as Vitamin C or E. I saw some...

02 February 2016 249 11 View

Is there any database or books for NMR to compare the known secondary metabolites ?

I need a database or books for known compounds NMR data. I isolated some compounds and their NMR data something different for this case, I am thinking these compounds are the same type.

02 February 2016 3,406 3 View

How can I determine the H2O2 in water by UV-Vis Spectrometer?

Can anyone please tell me the BEST method to determine the H2O2 concentration in water by UV-Vis Spectrometer?

11 November 2014 5,080 4 View