Why we use caffeine for HPLC calibration in Detector wave ength accuracy test59 142205
Why Deuterium lamp is used as UV light Source for UV.4 12843
What is unit of pH?26 34484
Why sodium lamp is used as source of Polarimeter?12 43283
why there is a need of optical activity & specific optical activity measurement by polarimeter6 8733
How many clauses in ISO!1 9009
Why 10%,20%,30% Sucrose solution is used for the calibration of polarimeter?5 19070
WHY given much noise PDA dector then VWD Dector
How to determine water content of bis tetrazole amine mono ammonium salt
in dissolution why pool sample needed? in which type of drug pool sample need?
WHAT IS THE CRITERIA FOR SELECTION OF TIME OF DISSOLUTION AND THE MEDIUM OF DISSOLUTION?
why 6 tablets use for dissolution
what is the limit for KF Factor ,we take factor using water we will found factor between 6 to 7 ,while on KF Reagent bottle mentioned 5 mg/ml water content.if we not use dried methanol it is effect on factor.
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...
WHICH STANDARD WE USE IN SILICA ANALYSIS IN SILICA-GEL METHOD FOR SOLID SAMPLE
what is turbidimetric titration?Give 2 examples.
what is different when impergnated silica plates are used in separation of azo dyes using column chromatography?
Tell me about analytical method validation in QC
about method developement in hplc
Qc interview questions
4. Describe the operation of the Craig apparatus. Chapter.3 Equilibrium Processes in Separations
why disodium tartarate used in karl-fischer instrument ?.