Mosa Elhady Osman

3 Questions 5 Answers 0 Followers

Questions related from Mosa Elhady Osman

What are the possible compounds having absorbance 0.58 at 275 nm (lamba max) ,266.5, 257.5 nm?

On TLC the compound have yellow- green color in day light and yellow fluorescence at UV light 365 nm. Its Rf =0.4.mobile phase (toluene:ethylacetate:formic acid)5:4:1, silica gel is stationary phase

04 April 2016 5,754 3 View

Is there any chromatographic method for identification of chlorophyll a (specially TLC or UV/visible spectroscopy)?

methodology for identification and characterization?.

04 April 2015 4,514 2 View

How can I do analysis for seed extracts?

Is it better to use HPLC or GC-MS? for analysis of essential oil, alkaloids and flavonoids what are the suitable solvent for extraction of these phytochemicals

10 October 2012 7,212 3 View