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Why we have to take 42gm of sodium hydroxide instead of 40gm for preparation of 1M Sodium hydroxide as per Pharmacopia? Whether it means the formula for calculating molarity was wrong?
5 16650what is internal standard define
Apex, Coromandel International Limited, Hikma Pharmaceuticals, IPCA,
2 4891U have 4 strengths have different coating meterial which one u chose to do forced degradation stady in validation
1 4255Post New Analytical Chemistry Questions
why salisylic acid not using now days for disdolution calibration?
in hplc chromatogram started from left to right and in uv spectrum started from left to right
about method developement in hplc
how many types of balance calibration test?
How do we quantify crystaline and amarpous forms by using (NMR, XRD)spectroscopic techniques? Which any others instruments are useful for this quantification? explain
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 use only methanol,used determinationof moisture content not use other solvents
what is difference between UV - VISIBLE MODEL NO like 1600,1601,1700 etc ? plz explain me
on saturation solubility study data how we can find out the bcs class of drug?
give clarity of linearity and range in method validation
is it nessesary to do solution stability for 7 days?
Why only 1.2 million lux hours require in photostability study?
effect of pore size, pore volume, partical size, column length, carbon load on retention time? what is carbon load? what is the use?
WHAT IS THE PARAMETER FOR THE SELECTION OF MOBILE PHASE IN HPLC?
could negative ions be produced by bombardment process in mass spectrometry?
