why we measure PH of a solution in PH only why not POH ?
What is the difference between purge septum flow and column flow in gas chromatography?
Which Pharmacopiea follow calibration of HPLC,GC
in gas chromatography what is the difference between gas flow rate and average linear velocity ?
pharma industries oriented
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In Dissolution Test why limit is define Q+5% what is the role of +5%.
why holium oxide prepared in 10% HCLO4 SOLUTION
is there any material other than caffene to calibrate hplc detector
what are the sources in ELSD,PDA, RI and UV Detectors?
How to decide the standard concentration for related substances hplc method
What is peak purity and response factor in chromatographic analysis? Why we required to find out response factor?
In UV-VIS spectrophotometer:My diluent is methanol even though i corrected base line for methanol,In my sample scan i found methanol peak.what is the reason?
What is difference b/w IR&NIR