I got 88.0 % assay for a drug in HPLC analysis for same
injection i got 40.0% related substances is it possible?
what is the relation between results of assay and purity?
Answer Posted / falguni patel
Ya that may be possible. In purity, we compare area of our
main component with respect to impurities, while in assay
we compare it with standard. So in purity % of area will
devide with impurities.
| Is This Answer Correct ? | 2 Yes | 3 No |
Post New Answer View All Answers
how many types of balance calibration test?
what is the purge flow & how to calculate
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...
How can I develope method of dissolution by HPLC OR UV
While performing TOC sst analysis Zero shift disabled & sample analysis zero shift enabled why?
what is mean by ambient temperature?
which are the diffrent batches in the pharmaceuticals?
If we do accuracy at same concentration at which linearity planned,what is the need to do linearity separately?
How doing qbd practically?
How to set specification of assay, fisdolution and related substances?
we can use expired sample for validation and analyst qualification?
how you confirm the assay method?
if peak get problamatic then what require to do?
Why only Copper standard is used to calibrate Atomic Absorption spectrophotometer?
what is lod and loq ?,why use k2cr2o7 , kcl h2so4 in uv calibration ?,why use benzophenone & caffene acetone in hplc calibration ?,what is leading peak in hplc ?why we do the calibration of limit of stry light in hplc & uv ?