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Why 10%,20%,30% Sucrose solution is used for the calibration
of polarimeter?
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What is the diference between residual solvents and organic volatile matter
What if impurity area in control sample coming more as compared to LOQ level of impurity ?
In HPLC calibration, caffeine is used as primary standard for wave length calibration due to caffeine is having dual maxima at 273 & 205 nm and one minima at 245 nm. Any body can give reference of these details from any pharmacopeia (with chapter no.) or any other authentic guideline?
How do we quantify crystaline and amarpous forms by using (NMR, XRD)spectroscopic techniques? Which any others instruments are useful for this quantification? explain
How do we get end points and how many end points are possible for citric acid and di-acid not theorotically answer should be given practically.
[3/28, 20:52] Manoj P Venkatpurwar: how many impurities require to inject in assay specificity that how we can find out? and in Rs also how?
what is the extinction coefficient for Indomethacin or at 319nm wave length.
In Assy by potentio metry titration method how select MET U ,DET U, SET U,
How do we fix the sample concentaryion in hplc method development?
why require to do water content for drug product?
in api coa contains only process impurities and in product coa contains degradation impurities?
What is similarity factor?
when we talk about change in entropy we consider total entropy means of surround +entropy of system but when we talk about change in Gibss free energy we consider entropy of system.explain with reason.
What is the diffrence in japan mkt requirement in analytical method validation over US?
what are the guidelines for analytical method validations?
