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How much sample concentration should i inject against
diluted standard in related substances for drug product in
hplc analysis
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Difference between c18
6 Answers Apothecon, Dr Reddys, Intas, IPQA, SUN, Torrent Pharma,
In BP2013, Loperamid HCl monograph. Assay by titration with 0.1N sodium hydroxide using hydrocloric acid 0.01N and reading the volume added between the 2 points of inflexion. I have a question that if the diluent solvent is ethanol is certainly consumed a amount of volume of titrant, so this volume must be eliminated on the result calculation or not apart from first point which is subtracted above.
what is the meaning of PURITY AND POTENCY .what is the difference between PURITY and POTENCY
wat is the role of michelson interferometer in FTIR and He-Ne lase.detailed answer required in simple language
What is Delay & Dead Volume
what is reverse phase chromarography&normal phase chromatography
Is it required to inject 6 injections for % RSD of a system suitability in lc or gc
On which pharmacopoeia basis we can calibrate instruments like HPLC,GC,UV,DISSO,IR etc...
9 Answers Cipla, Laurus, Micro Labs,
why water content test performed
why phepolphthalene giving pink color when we titrate against to NaOH Solution ,giving colrless titrating aginsiting with acids?
2 Answers Graviti Pharmaceuticals, Vimta Labs,
What is definition of RRT and what is the difference between RT and RRT in HPLC
in hplc chromatogram started from left to right and in uv spectrum started from left to right
Organic Chemistry 
