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Questions related from Pawan Basniwal
Generally, formic acid improve the quality of the bands of components in HPTLC. How it works? What is the chemistry behind it?
05 December 2019 9,585 3 View
How can we separate E and Z isomer on C18 column (non-stereospecific) with using specific mobile phase.
09 October 2014 4,843 1 View
When fragmentation of the molecule is analysed, then sodium adduct is normally observed with parent ion. Why is it so?
20 June 2014 431 7 View
The drug has a free phosphate group; mobile phase 0.1% formic acid and methanol in HPLC. Is it possible that methanol can form an ester with the free phosphate group of the drug (analyte)?
05 February 2013 3,218 1 View
Triethylamine interacts with silanols, but when it is used regularly with a C18 column, I think there may be an effect on the life of the column.
31 January 2013 9,352 4 View