perchloric acid&glacal acetic acid both are acids but reaction is complete in volumetric titrations.how?1 7566
acetic acid is weak acid & perchloric acid is strong acid.but how perchloric acid is soluble in acetic acid3 7393
Column selection in HPLC method development?1 8899
How to prepare ppm solution of Nacl form its salt?5 50454
what is mean by assay?6 14816
why we are doing seal wash and needle wash?2 10336
which functional group we can detect in IR?2 7942
what is mean by UOD?2 6584
what is mean by content uniformity?5 5957
today i am doing calibration of HPLC. when i inject the blank it was going on -ve.(bleow then zero) why?3 6891
what are the sources in ELSD,PDA, RI and UV Detectors?1 5816
in karl fischer reagent which solvent is used for dissolving iodine sulphur dioxide and imidazole4 7005
how to calculate corelation coefficient in G.C Calibration? what is the calculation part?
what is third integration
what is the importence and role of LCMS and LCMS/MS and their applications? which type of compounds are analysis by lcms?
mahagenco syllabus for the post of chemist
how to select short coloum and long coloumn for new molecule
How can we confirm the HPLC column is end-capped or not? Is it possible to identify by physical appearance?
why sre you used Potassium hydrogen phthalate in standarisation of 1N NaOH and 0.1 N Perchloric Acid?
What is the purpose of octyl silane columns?
what is definition of validation? which components are followed give detail?
Why do we use KMnO4 in the test of control of obsorbance ? and why do we take specific quantity i.e 57-63mg?
why 6 tablets use for dissolution
Why potassium dichromate was using in Uv calibration?
In the isomers,enantiomers give the only physical properties present such that no chemical properties present.
What is the main difference between ODS1 and ODS2 Hplc column.
What is the meaning of Base deactivated vials