in gas chromatography what is the difference between gas flow rate and average linear velocity ?
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what is mean by profiling of dissolution
Why caffeine as a reference standard used for calibration of HPLC?
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Why we perform the ir analysis?
How you can calculate pKa ?
Tell me about analytical method validation in QC
In GC calibration,what is the procedure to calibrate the TCD (thermal counductivity detector)suggest ?
Why we are using the methanol in Kf titration?
what are the basic requirement for the WHO audit?
what is the diff betwen calibration and system suitability?
In which situation we require to prepare the standard solution from sample in Related substance method?
we are performed SOR for a particular product the limit is -6 to -10.We face particular bathes it is not meeting the specification.we performed diffrent instrument diffrent analyst we are getting diffrent diffrent results.solvent is dimethyl sulfoxide what could be the reasion
While performing TOC sst analysis Zero shift disabled & sample analysis zero shift enabled why?