what is the defferance between the potency and working standard1 3405
what is the principle involved in determination of moisture content?3 7418
what is difference between assay&purity&potency?5 24976
From peak purity spectrum, where or at which point peak purity angle & purity threshold is checked?1 1780
what is concentration of oxygen in U.H.P. grade N2 cylinder1 3068
water is more polar than acetonitrile.but in reverse phase chromatography peaks elute earlier when we increse Acetonitrile.what is the reason.10 36033
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?5 7364
hi 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 me3 7362
why use benzophenone & caffene acetone in hplc calibration1 12789
In the isomers,enantiomers give the only physical properties present such that no chemical properties present.
HI,I CLEARED BOB CLERK EXAM. MY INTERVIEW WILL BE ON 9TH OCTOBER,2010.PLEASE SEND ME INTERVIEW QUESTIONS AND ANSWERS. THANK YOU.
WHICH STANDARD WE USE IN SILICA ANALYSIS IN SILICA-GEL METHOD FOR SOLID SAMPLE
why we use Dichlorobenzene.nitrobezine.t-butyldi sulhate.for calibration of gc Head space
What is the purpose of octyl silane columns?
what is the principle involved in turbidometry and nephelometry ?
In IR spectra, generally a molecule vibrates without apply emr or ir light?
What is importance of pH in the Heavy metal test and How it effect on the test results?
What is the principle of Thermal conductivity detector and FID?
process of Diclofenac sodium,IP.
what is peak purity and its formula
Why we used in n-butyl acetate water content terminology while in ethyl acetate we used moisture content terminology?
Identify problem faced when mass spectroscopy is used with HPLC system ?
WHAT IS THE PURPOSE WE USE HCL, CHOPPER, BURNER, MONOCHROMATOR in AAS? PLEASE EXPLAIN BRIEFLY
Why irmoisture balance is used for corrugated box moisture testing