what is the defferance between the potency and working standard
Arbro Pharmaceuticals, Caplin Point, ECOlogics, Matrix, Orchid, Venus Remedies,
1 5178From peak purity spectrum, where or at which point peak purity angle & purity threshold is checked?
1 3489water is more polar than acetonitrile.but in reverse phase chromatography peaks elute earlier when we increse Acetonitrile.what is the reason.
10 48862I 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 10260hi 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 9746Post New Analytical Chemistry Questions
effect of pore size, pore volume, partical size, column length, carbon load on retention time? what is carbon load? what is the use?
What is the diference between residual solvents and organic volatile matter
before starting analytical method valodation what you checking? and how giving preference to start validation?
how require to set assay concentration for standard and sample?
which are the sizes of capsules?
how you start the solubility study?
In IR spectra, generally a molecule vibrates without apply emr or ir light?
How to know the estimated LOQ concentration in ppm
in DMF having extra impurities and in api COA also having extra imp than USP or BP product then how require to proceed?
What is rs test why we are performing rs test?
what is the origin to prepare standard operating procedure
what is the importance of peak purity in HPLC and how we can calculate through manul(not software)?
how to select short coloum and long coloumn for new molecule
sop of a uv visible spectrophotometer double beam elico model
what is the extinction coefficient for Indomethacin or at 319nm wave length.
