How much area of methanol or other solvent are acceptable in blank (Diluent) of Gas chromatography.
2 8028Why 1.2% KCl is used for limit of stray light? and why limit of stray light is required in UV calibration?
5 50132What is the formula to determine the concentration of M of a solution given the % transmittance? Use %T = 43.7 as an example.
2118What is the difference between Normal phase method & Reverse method in HPLC ? Define application of both method.
4 19608Post New Analytical Chemistry Questions
Why dissolution test is not performed in all of the products
in stress study if your api not soluble in hcl naoh h2o2 then what require to do?
If change in specification which parameter require to do for validation? if change in chromtographic condition then which parameter? if api change then which parameter? if change composition then which parameter? if old method not work out then whicj parameter? if additional one impurity added then which parameter of validation require to do on above each conditions? elaborate separately
4. Describe the operation of the Craig apparatus. Chapter.3 Equilibrium Processes in Separations
why we use a particular hplc column for a particular compound give reasons?please
What is the use of tlc and hplc? And when and where use?
how require to set assay concentration for standard and sample?
process of Diclofenac sodium,IP.
In BP2013, Loperamid HCl monograph. Assay by titration with 0.1N sodium hydroxide using hydrocloric acid 0.01N and reading the volume added between the 2 points of inflexion. I have a question that if the diluent solvent is ethanol is certainly consumed a amount of volume of titrant, so this volume must be eliminated on the result calculation or not apart from first point which is subtracted above.
how to select short coloum and long coloumn for new molecule
what is mean by extactable and leachable study?
We use hicrome 10 cxs column in hplc analysis....pls tell me.. what is the meaning of 10 cxs?
What is dose dumping? why require to do?
Difference between the quantitative analysis and qualitative analysis?
why octanol used to determine the partition coefficient ?