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Questions related from Alaa J Mahrath
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 9,748 2 View
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 4,152 1 View
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 2,479 4 View
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 5,411 4 View
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 4,331 80 View