What is mean by PDR?
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could negative ions be produced by bombardment process in mass spectrometry?
wat is reverse phase in hplc
In the isomers,enantiomers give the only physical properties present such that no chemical properties present.
what is classification of elemental impurities? what is risk assement in elemental impurities?
how PH an important role in HPLC separation
what is batch no. of prednisole tablet.
Difference between related substances & impurities
which pharmacopeoia mentions that caffiene is used as a standard for HPLC calibration? which other standardscan be used for the same?
How to choose the which salt is suitable for mobilephase
How we performed the force degradation for drug substance, is any specific guideline is available for each parameter(Acidic, basic, oxidation,heat)? what conditions you mentained for above parameters.
What is definition of RRT and what is the difference between RT and RRT in HPLC
Why we are use 0.005M Sulphuric acid, in control of absorbance performance test UV Spectrophotometer calibration