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Questions related from Dilip Sharma
With regard, Please suggest that have you experiences straight HPLC column selection by knowing molecular structure. or what are the concept you follows for selection of HPLC column. (i.e....
09 September 2019 916 4 View
With regard, Please update me on what basis we are using the Correlation coefficient limit in HPLC method validation. in linearity we are using limit i.e 0.99,0.999, or as per our internal...
06 June 2016 4,090 1 View
i had the query to understanding about thermodynamics law. recently i found that thermodynamics is unable to provide a reason behind the entropy of living organism. so how can we know that what is...
11 November 2014 1,882 1 View
when formulating a delayed release dosage form what the differences are undertaken in various delayed release formulation e.g.Binders, compression.
11 November 2014 3,942 0 View
Please update me- is there any specification on structure basis, that a compound is UV active? As a large molecule, can we make a decision to look into whether the structure of that molecule is UV...
11 November 2014 2,335 7 View
I'm using Chiralpak IA column for my analysis. initially there was good resolution in my analysis, but followed by time the both peak in racemic merged. My mobile phase is only n-Hexane:IPA...
09 September 2014 4,767 9 View
I used Chiralpak AD-H column, and my molecule having THF, MDC in traces. So within 1 month the column gives a poor peak and also tailing with peak broadening. I tried ethanol, IPA for washing as...
09 September 2014 7,500 13 View
Please help me to understand the flow pattern of mobile phase inside the column. please share any link where i can update myself. Thank & Regard
09 September 2014 1,894 0 View
Is there any difference in principle of reverse phase chromatography and Normal Phase Chromatography? Please share any link where i can update myself in detail. Thanks and Regard
09 September 2014 5,416 21 View
