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Can you please give a suitable definition and an example for understanding the words purity and potency.
6 11642why we get negative values in uv when i placed sample which has some concetration but not in standard
1 5388Why use the Omeprazole as a reference standard to estimate the assay of esomeprazole by HPLC method
1 4898are there in uv lamb that is chractrestic for wavelenghth 205 nm ?????
Beni Suef University, Graviti Pharmaceuticals, Sri Krishna Pharmaceuticals,
1 2780In UV calibration we use Holmium perchlorate solution made in 1.4M perchloric acid The question is that 1.4 M perchloric acid we make is it in water or glacial acetic acid?
4 12956Post New Analytical Chemistry Questions
what is the principle of UV Vis spectroscopy, AAS, ICP OES,ICPAES, ICP-MS and FTIR
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 purge flow & how to calculate
is it nessesary to do solution stability for 7 days?
While performing TOC sst analysis Zero shift disabled & sample analysis zero shift enabled why?
How to set analytical specification for combination products?
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.
Which is the highly polar and highly non polar column in HPLC?
What is the Formula for coreletion coefficient in plhplc calibration
If suppose 10 methods of dissolution given in pharmacopoeial for single content product then which method out of 10? or all 10 require to follow?
In Dissolution Test why limit is define Q+5% what is the role of +5%.
why cone formation during dissolution?
function of detecter in hplc ,gc and spectroscopy? function of carrier gas in gc?
What is the diffrence in japan mkt requirement in analytical method validation over US?
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.
