process of Diclofenac sodium,IP.
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Principle of HPLC in one sentance
What is the difference between known and unknown impurities?
India is. Under which zone as per QF1.?
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how does h2so4 prevent oxidation of mohr salt before it is titrated?
why we use 0.1% acetone in gradient calibration of HPLC?
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In C8,C18....etc have 4&5 etc... microns Columns is there like that how to separate Chiral columns as per Micron size?
Why acetonitrile and water are used as extraction solvent when analysis melamine? I thought they are miscible and won't be able to separate...
what buffer you can select for acidic nature analyte and how ?
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.
why xterra column require to use at higher ph?
How to standardization of 1N H2SO4?
Why potassium dichromate was using in Uv calibration?
Organic Chemistry 
