Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

Describe your experience with analytical instrumentation?

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

2 29066

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

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

1 5764

Describe your experience with quality assurance and quality control analyses?

Aurobindo, Reddy Labs, MSC, Dr Reddys,

10 24043




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

Ranbaxy, Apex, BNM,

1539

Do you have experience with organic extractions or tissue digestions?

GVK Biosciences,

1 5298

How to Perform a Recrystallization ?

4 12703

How is the Flame test performed?

Lupin,

4 14130

What is Fourier Transform Spectrosopy?

Lupin, Aurobindo, Hetero,

5 18898




what is analytical chemistry all about?

Dr Reddys,

6 15805

How will you separate Colorless compound Using Column Chromatography?

Delhi University, VPHS,

4 24119

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

2 4415

what is the difference between Tailing Factor & Asymmetry

Jubilant, Ashish Life Science, BEC Chemicals,

8 36487

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

Reddy Labs,

16 28625

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

Medrich, Twilight Litaka Pharma, HDFC,

1 3806

what is the defination of accuracy & presicion?

Amneal Pharmaceuticals, GSK,

8 18707


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Un-Answered Questions { Analytical Chemistry }

Can we interpret accuracy from linearity in method validation?

835


Why acetonitrile and water are used as extraction solvent when analysis melamine? I thought they are miscible and won't be able to separate...

381


HI,I CLEARED BOB CLERK EXAM. MY INTERVIEW WILL BE ON 9TH OCTOBER,2010.PLEASE SEND ME INTERVIEW QUESTIONS AND ANSWERS. THANK YOU.

1087


How can I develope method of dissolution by HPLC OR UV

1061


What is the main difference between ODS1 and ODS2 Hplc column.

2238






sop of a uv visible spectrophotometer double beam elico model

4274


how will you do the prep for unstable componds?

737


explain 5 components of gas chromatography ?

747


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

550


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

1403


2. Two grams of Benzoic acid are dissolved in 200 ml of water and extracted with 200 ml of diethyl ether. The distribution coefficient of benzoic acid is 100, and its dissociation constant is 6.5 10-5. Calculate the distribution ratio (D) of benzoic acid at pH 2, 5, and 6. 3. Calculate D at pH 2 to 10 (1 unit apart) in the above problem, and plot D versus pH.

967


What is the acceptance criteria for moisture balance when calibrated with sodium sulfate

807


What is stray light in uv what are units for stray light

330


In BP2013, Loperamid HCl monograph. Assay by titration with 0.1N sodium hydroxide using hydrocloric acid 0.01N and reading the volume added between the 2 points of inflexion. I have a question that if the diluent solvent is ethanol is certainly consumed a amount of volume of titrant, so this volume must be eliminated on the result calculation or not apart from first point which is subtracted above.

1709


what is the principle involved in turbidometry and nephelometry ?

2669