Post New Answer View All Answers
A ha tc is actual defination of retention time?
In the HPLC Calibration done wavelength accuracy done between 200nm-280nm .but not done remaining 300-400nm not done ?
In performance Check of GC Why Hexadecane Peak is ConsideredÂ
what is the purge flow & how to calculate
what is classification of elemental impurities? what is risk assement in elemental impurities?
Ph meter can show more than 14 ph reading? Why ph range in between 1 to 14 only?
mode of absorption in alimentary canal?
WHY given much noise PDA dector then VWD Dector
How we choose the mobile phase for method development.?
in api coa contains only process impurities and in product coa contains degradation impurities?
Which is the highly polar and highly non polar column in HPLC?
which situation gc hs and gc als require to use?
what are the standard methods for HPLC?
how to qualify the impurity?
what is the structure of DOWEX-50
