Analytical Chemistry Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Analytical Chemistry Interview Questions

Questions Answers Views Company eMail

give clarity of linearity and range in method validation

2423

how do we get usp reference standard potency?

Ind Swift Laboratories, MSN Pharma,

1 4334

what is the origin to prepare standard operating procedure

2348

why we are using sodium,potassium phosphates for mobile phase preparation?

1 10651

why water factor is near about 5.0 in kf titration?

Claris Lifesciences, Indchemie Health Specialities,

3 14039

Why 1800 ml of dissolution media used In Carbamazepine ER USP Tablets But other drug only 900 ml Media Used ?

Torrent Pharma,

1 5487

what is use in calibration of conductivitimeter?

Claris Lifesciences, SRF,

1 5543

how to calculate corelation coefficient in G.C Calibration? what is the calculation part?

Cipla, Ortin Labs,

1 3347

reasons for negative peaks in chromatography

DRL,

5 16134

why octanol used to determine the partition coefficient ?

2461

if partition coefficient value was positive means, what it indicates ?

1 4345

why has inject 5 injection in assay

Lupin,

2 13043

why has inject 6 injection in Releted compounds

2 10128

why we should take dst factor for below 1%moisture samples

Ind Swift Laboratories,

2674

what is end capping in hplc coulmn

Lupin, Zydus Cadila,

2 13049

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Un-Answered Questions { Analytical Chemistry }

how you establish the LOQ?

801

Is it nessesary all multimedia dissolution require descriminatory?

805

about method developement in hplc

1724

How to set analyticl specification for combination products?

756

In which situation we require to analytical method validation of excipient?

798

what is the origin to prepare standard operating procedure

2348

what is third integration

1990

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?

3367

For standardization of volumetric solutions, acceptance limit for concentration is considered as 10% of nominal concentration and %RSD as NMT 0.2% (for appropriate no. of replicates). But , if %RSD has not met, what should be further action?

1916

How to start the dissolution development for unknown tab?

1689

What is the formula for relative diffrence for standard solution in solution stability in validation?

813

for inorganic molecules require to do RS, Assay and disso?

739

what is %labelled amount in content uniformity of dosage unit and its calculation?

5245

what is classification of elemental impurities? what is risk assement in elemental impurities?

760

Why sometime potassium ortho phosphate mix with acetone use for sample preparation for hplc

1475

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