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what is the defferance between the potency and working standard
Arbro Pharmaceuticals, Caplin Point, ECOlogics, Matrix, Orchid, Venus Remedies,
1 6017From peak purity spectrum, where or at which point peak purity angle & purity threshold is checked?
1 4447water is more polar than acetonitrile.but in reverse phase chromatography peaks elute earlier when we increse Acetonitrile.what is the reason.
10 52455I 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?
5 11760hi i am m.sc organic chem and complete analytical lab tech dipolma now job in qc many time ask question you in m.sc organic why job in qc please help me i can not give proper ans please tell me
3 11041Post New Analytical Chemistry Questions
Why are use silicon oil mr?
what is the origin to prepare standard operating procedure
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...
what is impurity profile. how to interpret this impurity profile to a drug product or drug substance.
Why use only methanol,used determinationof moisture content not use other solvents
Difference between hlaf and rlaf
how to calibrate hplc & gc
In the isomers,enantiomers give the only physical properties present such that no chemical properties present.
What is third generation HPLC Columns?
what is the difference between potentiometric titration and karl fischer titration?
How to start the dissolution development for unknown tab?
What is similarity factor?
what is partion and column chromatography
From where require to take the RLD sample?
Is it nessesary all multimedia dissolution require descriminatory?
