Un-Answered Questions { Chemistry }

UV and PDA detector, which have less signal to noise ratio?

636


Difference between the quantitative analysis and qualitative analysis?

613


HPLC in sequences analysis was taken wrong method and one blank & Standard is running so what to do

719


What is related substance by HPLC impurity limits as per USP?

545


What is a difference between potency and purity?

631


Why we select scan range from higer wavelength to lower wavelength in uv visible spectroscopy and ftir spectroscopy ? .

450


In the HPLC Calibration done wavelength accuracy done between 200nm-280nm .but not done remaining 300-400nm not done ?

451


in hplc chromatogram started from left to right and in uv spectrum started from left to right

461


If inhouse hplc related substance method is completly diffrent from Usp for finished proďuct with diffrent impurities then how require to prove method equivalecy?

304


How to set analytical specification for combination products?

314


what is mean by covalidation

310


What is the requirement for brazil in the analytical method vslidation comparr to ich?

268


Why only 1.2 million lux hours require in photostability study?

451


what is diffrence between specificity and selecivity?

295


analytical method validation require to with respect to release specification or shelf life specification?

272