Hameed Shah

4 Questions 9 Answers 0 Followers

Questions related from Hameed Shah

How to completely evaporate ethanol from a mixture?

I am evaporating ethanol from a mixture and used the temperature up to 95 oC, but still, the mixture contains solvent. If it was ethanol, then it should evaporate at this temperature? I wish to...

27 September 2017 5,919 3 View

Nanoscope analysis software?

Hi, Does someone have Nanoscope analysis software used to analyze AFM results? If any friend has, please let me know. I will be thankful.

06 September 2017 8,760 6 View

How can I explore with HPLC different peaks for the same sample with the same solvent system?

I am using HPLC for compounds isolation and purification, with methanol and water as solvent system. The problem, i am facing is that for the same sample, in the same solvent system (keeping the...

15 August 2015 6,162 13 View

What may be the reason that a column separated flavonoid further confirmed by TLC, shows some impurities in 1H-NMR(DMSO solvent) peaks?

I have confirmed a single spotted compound (having brown colour, so we suggest it may be flavonoid) on TLC, then used column chromatography to separate it, and it was further confirmed by TLC as...

05 July 2015 7,516 7 View