08 August 2015 0 4K Report

OFFicial methods of analysis of AOAC international. 18 th edition ..2007

More Samar Bassam Moaz's questions See All
Does anyone have this article: the morphology and anatomy of. Yucca L. Ph.D. thesis, Univ. of Calif., Berkeley. . 1962.?

i need it desperately. thank you so much

31 December 2018 1,765 4 View

Are we supposed to have the same type of adducts for all peaks in ms spectra?

Dear ms experts is it possible to get some M+ ions, some M+ H, some M + 2H FOR different component in an extract but during the same run

09 October 2018 9,831 0 View

Dear professors and colleagues, a blue spot develops on tlc which is seen in visivble light, but once i spray with anisaldehyde, heat it disappears?

I have no idea what this compound might be

10 November 2017 6,464 2 View

Is there a lab in Egypt which has counter-current chromatography device?

I need counter current technique to separate very close compounds

08 September 2016 5,805 2 View

Should a plant extract be dissolved in DMF or DMSO only for antimicrobial assay?

the extract dissolved in ethyl alcohol gave negative results...could it be due to poor diffusion to agar?

09 October 2015 2,471 10 View

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