Why potassium hydrogen pthalate is used for perchloric acid And naoh. Why it is used for both acid and base6 21285
is ther any guidline is available for limt of peak fronting.and what is the limt of peak fronting.2 8711
how would you determine the acceptance criteria for cleaning validationof product A for product B?1 5339
How can we konw that the HPLC column is endcapped? Is it possible to identify visually without COA?2 7243
IN DISSOLUTION S1 STAGE 1 BOWL GOT 52%(Q POINT IS 80%)WHAT WE HAVE DO9 9674
what is the meaning of PURITY AND POTENCY .what is the difference between PURITY and POTENCY5 20964
HI,I CLEARED BOB CLERK EXAM. MY INTERVIEW WILL BE ON 9TH OCTOBER,2010.PLEASE SEND ME INTERVIEW QUESTIONS AND ANSWERS. THANK YOU.1049
What is the difference between Primay and Secondry Standard ?6 45013
why we have to store the pH electrode in 4.01 buffer ?1 4634
how can give the expiry period and restadardisation of volumetric solution
Identify problem faced when mass spectroscopy is used with HPLC system ?
what is lod and loq ?,why use k2cr2o7 , kcl h2so4 in uv calibration ?,why use benzophenone & caffene acetone in hplc calibration ?,what is leading peak in hplc ?why we do the calibration of limit of stry light in hplc & uv ?
why should we perform dissolution PVT calibration only by UV spectrometer, not by HPLC ?
What is the difference between purge septum flow and column flow in gas chromatography?
cefoperozone and sulbactam inj. hplc test method
What is method validation in quality control
what type of questions asked on analytical balance and also give answers................all pharma companies?
How to choose the which salt is suitable for mobilephase
In dissolution of tablets/capsules elaborate the Dissolution limit 20.0% to 60% Q in 30 minutes.
why we are using benzene, anyline in acetic anhdride assay titration method?
what is the extinction coefficient for Indomethacin or at 319nm wave length.
Why a1% value is used for some product ? What is the criteria for selection a1% value ?