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USP methodology, EP methodology, IP methodology, among three if possible to use one methodology for qualify working standard to use USP, EP, IP ? Please explain...
1970is it necessary to do HPLC calibration at wavelength 315nm if we are doing analysis at this wavelangth
2108we are performed SOR for a particular product the limit is -6 to -10.We face particular bathes it is not meeting the specification.we performed diffrent instrument diffrent analyst we are getting diffrent diffrent results.solvent is dimethyl sulfoxide what could be the reasion
1807Post New Analytical Chemistry Questions
what is the difference between potentiometric titration and karl fischer titration?
How do we fix the sample concentaryion in hplc method development?
what is mean by nitrosamine impurities?
What is the purpose of octyl silane columns?
How we can identify process related and degradation impurity in single method with short period?
We use hicrome 10 cxs column in hplc analysis....pls tell me.. what is the meaning of 10 cxs?
what is the procedure for cleaning of lenses of hatr accesory of ftir instrument?
How to decide assay range for non pharmacopeial API analysis by HPLC? Could you give me any reference for same e.g Guidelines or Paper publications?
What is related substance by HPLC impurity limits as per USP?
what is mean by dissolution biowaiver study?
Hi sir if any product monograph not given known impurities (may be 5 impurities) specifications then how we require to proceed for inhouse formulation?
from where i get mortar pastle for glass bottle crush? it's required for testing of it?
1.What is the difference between method validation and method verification 2.Which guidelines proposed to method transfer
Which are the diffrent grades of api in pharma?
