Alaa J Mahrath

5 Questions 172 Answers 0 Followers

Questions related from Alaa J Mahrath

Does anyone know about the composition of alhagi roots?

Does anyone work in extraction , isolation and identification process of Alhagi ingredients using GC , HPLC,or other techniques? I'm awaiting your support . many thanks Alaa

22 August 2014 9,782 2 View

P-amino Benzoic Acid: Which is better to start a reaction first amino group (nucleophilic site) or carboxylic group (electrophilic site)?

Which is better to start a reaction first amino group (nucleophilic site) or carboxylic group (electrophilic site)? Any suggestions will be appreciated.

15 August 2014 4,190 1 View

Does anyone have any knowledge of FT-IR in the KBr disk or ATR unite?

Are there any big differences between measuring FT-IR of sample by KBr disk and ATR unite. Is there a differences of the spectrum for the same sample?

09 July 2014 2,521 4 View

Can the R,S configuration of a chiral molecule be determined using the J-Coupling Constant?

Is their any relation between the J-coupling constant and the geometry of molecules? I have a molecule: 1,3-Oxazepine 4,7-dione derivatives and it has chiral center. I would like to determine if...

06 December 2012 5,457 4 View

How can I know that my prepared organic molecules are novel (not prepared)?

I prepared some heterocyclic organic molecules (derivatives of 1,3- oxazepine -4,7-dione and 1,5-dione) in my Ph.D program and I wrote a literature review about my project, but I need to be sure...

22 September 2012 4,374 80 View