Why we are performing wavelength accuracy at lower and higher wavelengths in HPLC calibration3 9143
what is the identification test of volatile substance? what is volatile compound?1 1098
what is differance between volatile and non volatile compound expalin by exaple2 12336
Why do we use 500ppb sucrose and 500ppb 1,4 benzoquinone in TOC calibration?1 1942
In the test for control of absorbance in UV calibration why do we use only potassium dichromate and what is purpose of taking a specified amount of 57.0-63.0mg?8 47541
In the test for control of absorbance in UV calibration why do we use only potassium dichromate and what is purpose of taking a specified amount of 57.0-63.0mg?1 7244
Why do we use 500ppb sucrose and 500ppb 1,4 benzoquinone in TOC calibration?5 15820
what is the use of performing tapped density in pharmaceutical industry1 8131
what type of questions asked on analytical balance and also give answers................all pharma companies?
why are measure gas flow " ml " in Gas chromatography
What is Band broading effect explain
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 importence and role of LCMS and LCMS/MS and their applications? which type of compounds are analysis by lcms?
how to calibrate hplc & gc
Why potassium dichromate is used in calibration of uv?
give clarity of linearity and range in method validation
What are usp limits for theoritical plats,resoution,tailing factor,peak to valley ratio
can i use hplc detector to uplc and why?
calibrtion procedue of LC-MS
how will you do the prep for unstable componds?
all types of questions asked at the cipla interview
why octanol used to determine the partition coefficient ?
what is peak purity and its formula