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Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

One Raw material failed assay test is there any chance for failing purity of that material ?


7 10129

What are the differences between GC and HPLC?

1 13622

Why do we need GC instead of HPLC? or Why do we need HPLC instead of GC?

4 10380

What is linearity in HPLC and how will you test?

1 17877

what is the difference between polarimeter lamp and ir lamp


What is the difference of time between two consecutive injections in HPLC?

Nectar Lifesciences,

2 8794

what is difference between IR lamp and polarimeter lamp

Raks Pharma,

2 7192

Why dissolution test is not performed in all of the products

Biocon, SDD,


why we need to do karl ficher fector ?


2 10049

Why we are use 0.005M Sulphuric acid, in control of absorbance performance test UV Spectrophotometer calibration

Cipla, Reddy Labs,

2 13582

How much sample concentration should i inject against diluted standard in related substances for drug product in hplc analysis


1 2897

how to prepare 25 ppm acetone. explian with formula

4 13745

why sucrose not used in polarimeter calibration?


2 8625

What is the diffeence between assay and uniformity of content

2 7973

why ur using toulene in hexane in u.v calibration?, Cipla,

3 26608

Post New Analytical Chemistry Questions

Un-Answered Questions { Analytical Chemistry }

some product having water content method with pyridine and ethylene glycol mixture instead of methanol? how they are selecting and methanol is not suitable solvent how ?


How do we fix the sample concentaryion in hplc method development?


why holium oxide prepared in 10% HCLO4 SOLUTION


Why irmoisture balance is used for corrugated box moisture testing


How we choose the mobile phase for method development.?


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 ?



mahagenco syllabus for the post of chemist


What is intact assay method development.....?


In IR spectra, generally a molecule vibrates without apply emr or ir light?


What is aggregate and fragments in SEC?


UV and PDA detector, which have less signal to noise ratio?


what is the importence and role of LCMS and LCMS/MS and their applications? which type of compounds are analysis by lcms?


what is the difference between potentiometric titration and karl fischer titration?


mode of absorption in alimentary canal?