WHAT IS UNIT OF ABSORBANCE AREA IN HPLC OR UV DETECTER
Answers were Sorted based on User's Feedback
How we fix the validity period of a Normal solution and re-standardization due date
why KF factor is between 4.5 to 7.5 mg/ml ? why ? why sometime pyridine is used in analysis like in raw material solvent like acetone etc?
11 Answers Aurobindo, GVK, Sohan Healthcare,
about analytical chemistry
how do start hplc method development? how much sample required for developing the method development?
3 Answers BMS, Cipla, Indoco Remedies, Sun Pharma,
what is mean by profiling of dissolution
difference between pH & pOH ?
how to calculate corelation coefficient in G.C Calibration? what is the calculation part?
how to develop the icp ms method? Application of icp ms?
How to select buffer for HPLC mobile phase
4 Answers Cadila, Cipla, Lupin,
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 ?
In the gas chromatography what is used carrier gas and make up gas?
Is there any difference in principal of reverse phase and normal phase chromatography? and why? Please update. Thank and regard