Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

Describe your experience with analytical instrumentation?

Apotex, Enal Drugs, Pharma, Natco, DLF, Alembic, Aurobindo,

2 24261

Do you know what Trace metal clean technique is?describe that technique?

Reddy Labs, Mylan, Nirma, Oil and Gas Jobs,

3783

Describe your experience with quality assurance and quality control analyses?

Aurobindo, Reddy Labs, MSC, Dr Reddys,

10 20142




Describe your field experience sample type collected,sample techniques,field measurements taken and equipment used?

Ranbaxy, Apex, BNM,

1239

Do you have experience with organic extractions or tissue digestions?

1 4262

How to Perform a Recrystallization ?

4 10543

How is the Flame test performed?

Lupin,

4 11720

What is Fourier Transform Spectrosopy?

Lupin, Aurobindo,

5 14749




what is analytical chemistry all about?

6 13055

How will you separate Colorless compound Using Column Chromatography?

Delhi University, VPHS,

4 20617

Can anybody tell me how to measure Redox potential in an aerobic matrix, for e.g., soil etc.?

2 3563

what is difference b/w tailing factor& asymetry

Jubilant, Ashish Life Science, BEC Chemicals,

7 30399

How will you convert a 6 Normal solution to 8 Normal solution?

Reddy Labs,

15 24306

why do u get different drug release while doing calibration of dissolution test appratus 1& 2(paddle & basket)?

Medrich, Twilight Litaka Pharma,

1 2136

what is the defination of accuracy & presicion?

Amneal Pharmaceuticals, GSK,

8 15123


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Un-Answered Questions { Analytical Chemistry }

how will you do the prep for unstable componds?

475


In Karl Fischer titration,What is the situation if the material tested is only soluble in water,and not soluble in the common solvents used such as methanol ?? [e.g. Iron III Hydroxide polymaltose]

1263


While performing TOC sst analysis Zero shift disabled & sample analysis zero shift enabled why?

684


What is the formula to determine the concentration of M of a solution given the % transmittance? Use %T = 43.7 as an example.

1088


What should be the level/ Percentage of Arsenic in Arsenic free zinc.

850


what is the identification test of volatile substance? what is volatile compound?

755


Why only hydroxy naphthol blue indicator is used for standardisation of 0.05M EDTA solution instead of solochrome Black T or Euriochrome Black T indicator which is used for all sample analysis with 0.05M EDTA solution?

663


Why we have to use KBr pellet technology ?

290


Please tell me about the pH of Polycaboxylic ether is it in the 5-6 range ever or more than 6

1135


we are performed SOR for a particular product the limit is -6 to -10.We face particular bathes it is not meeting the specification.we performed diffrent instrument diffrent analyst we are getting diffrent diffrent results.solvent is dimethyl sulfoxide what could be the reasion

258


In dissolution of tablets/capsules elaborate the Dissolution limit 20.0% to 60% Q in 30 minutes.

515


in dissolution in one tablets two molecule one is losartan & second is HCTZ losartam is complies in s1 stage & hctz is complies in s2 stage then how to report result losartan s1 stage result or losartan s2 stage result

716


4. Describe the operation of the Craig apparatus. Chapter.3 Equilibrium Processes in Separations

1005


How you develop a method in HPLC?

1034


How would you decide dissolution medium for NCE compound of class I drug

503