what is the defferance between the potency and working standard
Arbro Pharmaceuticals, Caplin Point, ECOlogics, Matrix, Orchid, Venus Remedies,
1 5174From peak purity spectrum, where or at which point peak purity angle & purity threshold is checked?
1 3481water is more polar than acetonitrile.but in reverse phase chromatography peaks elute earlier when we increse Acetonitrile.what is the reason.
10 48832I 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 10255hi 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 9733Post New Analytical Chemistry Questions
why holium oxide prepared in 10% HCLO4 SOLUTION
Please give idea about method development for cleaning method and how maco level establish
How to establish relative response factor for hplc. Why it is required?
about method developement in hplc
What is shaking level in GC?
what is the acceptance criteria for enteric coated tablets in 0.1n hcl validation in each parameter?
Identify problem faced when mass spectroscopy is used with HPLC system ?
Difference between hlaf and rlaf
Which is the highly polar and highly non polar column in HPLC?
In HPLC (Waters) software Empower1,2 &3 what is the updation for each version
what is the principle involved in turbidometry and nephelometry ?
What is related substance by HPLC impurity limits as per USP?
why salisylic acid not using now days for disdolution calibration?
what is difference in ods I ods II is this is realy from sorbent / packing characteristics or from other means
why lactose has less charges when packed in steel containers when compared with packing of lactose in polyamide material?