in gas chromatography what is the difference between gas flow rate and average linear velocity ?
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How do you increase the number of theoretical plates?
how pda detector works over uv?
Why 10%,20%,30% Sucrose solution is used for the calibration of polarimeter?
5 Answers Cipla, LGC Promochem,
In Karl Fischer titration,What is the situation if the material tested is only soluble in water,and not soluble in the common solvents used such as methanol ?? [e.g. Iron III Hydroxide polymaltose]
how can u seperate polar compounds in hplc ?
1 Answers Meditab, Piramal Healthcare,
How to caluculate the RRF and correction factor in hplc
1 Answers Alkem Labs, Aurobindo, Rakshit Drugs, SDLPL,
why we are performing residue on ignition?
what is the results if we use ODScolumn instead of BDS column ,(ther parameter is same for column) in assay method ?
Why linearity of detector performed in HPLC calibration
In case of HPLC coloums what is the difference Between C8 & C18 coloums & how can we select difference type of coloums like Inertial ODS , Hypersil BDS , ODS etc.?
Ratio of Water and Acetonitrile(diluent) is not recommended to use in cleaning method validation,why?
0 Answers Aurobindo, Reddy Labs,
how can you decide API molucule acedic or basic compound by test?