What is the difference between low pressure gredient and high pressure gredient in hplc instrument?
4 13069Generally for Normal Phase HPLC,stationary phase is Polar.In place of polar if we take non-polar means what happened & why?
7 13727Post New Analytical Chemistry Questions
how you start the solubility study?
Ph meter can show more than 14 ph reading? Why ph range in between 1 to 14 only?
please explian me about area normalisation method,diluted standard method,impurity vs impurity and which one has to be selected in method development
Which are the diffrent grades of api in pharma?
for which product require to do content uniformity? what is limit of cu?
What is shaking level in GC?
What are modes of quantification in related substances
What is similarity factor and its use in api strength?
If change in specification which parameter require to do for validation? if change in chromtographic condition then which parameter? if api change then which parameter? if change composition then which parameter? if old method not work out then whicj parameter? if additional one impurity added then which parameter of validation require to do on above each conditions? elaborate separately
What is similarity factor?
Why irmoisture balance is used for corrugated box moisture testing
if tech transfer fails whay require to do?
How we choose the mobile phase for method development.?
In rs method development when we are going area normalization method to dilute standard method?
Which type of column should i use to check the purity of high molecular weight protein using HPLC reverse phase column chromatography? Hi everyone. I wanna to check the purity of high molecular weight protein (collagen) with MW of ~130 kDa using a HPLC. I know C18
