Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

perchloric acid&glacal acetic acid both are acids but reaction is complete in volumetric

1 7566

what is the cleaning validation?


1 6847

acetic acid is weak acid & perchloric acid is strong acid.but how perchloric acid is soluble in acetic acid

AVT, Hetero,

3 7393

What is polymorphism?which type of compounds exhibits polymorphism?

Torrent Pharma,

2 6302

what is the basic principle of conductivity meter


4 22430

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 imidazole


4 7005

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Un-Answered Questions { Analytical Chemistry }

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