WHICH PRESSURE IS HIGH EITHER INJECTOR OR DETECTOR IN GAS CHROMATOGRAPHY4 6620
What is the procedure for UV-spectrophotometer calibration?6 54306
What should be the calibration procedure for wavelength accuracy in case of HPLC?4 10729
How to decide assay range for non pharmacopeial API analysis by HPLC? Could you give me any reference for same e.g Guidelines or Paper publications?
How to compare XRD graphs against standard and carry polymorpism study of API's by powder XRD method?
How can we Qualify a unknown impurity by HPLC3 9569
full name of OOS & OOT ? Dercribe it with details ? why this is needed in pharma industry ?10 27886
why KBr is used in FTIR SPECTROSCOPY and why is it necessary to triturate KBr during FTIR analysis?25 98875
why water, methanol, ethanol ets solvents are used in UV SPECTRIPHOTOMETER for blank reading ?7 20649
why the same column give different retention time in hplc?7 10566
How will decide to use HPLC OR GC for developing method for unkown compund5 11080
can some other acids like nitric acid or HCl can be used in the calibration of UV.Vis. spectrophotometer????2 6850
In performance Check of GC Why Hexadecane Peak is Considered
1.What is the difference between method validation and method verification 2.Which guidelines proposed to method transfer
Why potassium dichromate was using in Uv calibration?
what is the extinction coefficient for Indomethacin or at 319nm wave length.
How can we calculate "confidence interval" in analytical method validation? Pl. explain with example.
USP methodology, EP methodology, IP methodology, among three if possible to use one methodology for qualify working standard to use USP, EP, IP ? Please explain...
how to select short coloum and long coloumn for new molecule
What is the formula to determine the concentration of M of a solution given the % transmittance? Use %T = 43.7 as an example.
What is method validation in quality control
Home heating oil or furnace oil what is made from? Can (base oil plus diesel/kerosen) = home heating oil?
what is lod and loq ?,why use k2cr2o7 , kcl h2so4 in uv calibration ?,why use benzophenone & caffene acetone in hplc calibration ?,what is leading peak in hplc ?why we do the calibration of limit of stry light in hplc & uv ?
Why do we use KMnO4 in the test of control of obsorbance ? and why do we take specific quantity i.e 57-63mg?
How we can determine water content in piperazine
what is the purge flow & how to calculate
In the isomers,enantiomers give the only physical properties present such that no chemical properties present.