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1)why use benzophenon,uracil in hplc calibration. 2)why use sucrose in polarimeter calibration. 3)what is S/N ratio, noise and drift in hplc 4)how we can find lod and loq in method validation
1 148541 why polyesterene film used for ftir calibration ? 2 why k2cr2o7 is used for control of abs in uv ? 3 why holmium oxide used for control of wavelength in uv
3 12947In lcms analysis some times we get sodium and potassium adducts. if the compound is havine sodium ions how can we confirm wether sodium is from sample or it is a adduct?
2 7678Post New Analytical Chemistry Questions
What is the diffrence in japan mkt requirement in analytical method validation over US?
identification is for unknown? qualification for known? reporting for LOQ?
What is the difference between purge septum flow and column flow in gas chromatography?
In which situation we require to prepare the standard solution from sample in Related substance method?
before starting analytical method valodation what you checking? and how giving preference to start validation?
What is intact assay method development.....?
in OSD forms require to use gas chromatography?
is it nessesary to do solution stability for 7 days?
in hplc chromatogram started from left to right and in uv spectrum started from left to right
Qc interview questions
how you determine moist.of NaOH sol or NaOH flacks
why lactose has less charges when packed in steel containers when compared with packing of lactose in polyamide material?
some product having water content method with pyridine and ethylene glycol mixture instead of methanol? how they are selecting and methanol is not suitable solvent how ?
what is the purge flow & how to calculate
What is delay volume?
