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

Analytical Chemistry Interview Questions

Questions Answers Views Company eMail

i set electrode to 7 buffer than i used it to check 4 buffer and 10 buffer if the results are not as expected than is it better to set the buffer again to 4 buffer or is there any other method available please let me know ...

Glochem,

2 7140

How much is the standard area for glc analysis

2286

function of detecter in hplc ,gc and spectroscopy? function of carrier gas in gc?

DRL,

2669

what type of compounds do we see lod @ wat type compounds do we see m.c

Orchid,

3 9498

How can the GC or HPLC method is selected to determine the impurity profile in drug product?

Ajanta,

1 7596

How can we calculate "confidence interval" in analytical method validation? Pl. explain with example.

Cipla, Rampex Labs,

4268

What the difference in loss on drying and residue on ignition

2 35163

Why irmoisture balance is used for corrugated box moisture testing

Leiutis, Lupin,

2404

why we are used 4,7,9,2 buffers for the ph calibration

Aurobindo, Enaltec Labs,

4 19620

In case of HPLC coloums what is the difference Between C8 & C18 coloums & how can we select difference type of coloums like Inertial ODS , Hypersil BDS , ODS etc.?

MSN Pharma,

4 33424

Is sonication essential in solubility testing of a drug substance?

Aurobindo,

6 16710

what is different between volumetric solution and general solution

1 18857

what is primary solution and secondary solution

2 8425

what is RI detector Cut-off Value

Mylan,

1 10004

In Related Substances Test how we can reside the limit of impurity ?

MSN Pharma,

2 11393

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Un-Answered Questions { Analytical Chemistry }

How to calibration of the uv spectroscopy and its test?

1196

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

1652

why multimedia dissolution require to do?

830

What is the principle of HPLC, GC, LCMS, GCMS,LC QQQ, GC QQQ, LC Q TOF and GC Q TOF. What are the applications and Specificity?

8864

why glutent are detected in the rice cereal baby food product even manufacturer claimed that they are using rice and milk only?we have using ELISA to do the test,and rice supposed not containing any glutent,rite?We already repeat the test so many times and it still detected.just wondering where the glutent came from?

2788

how pda detector works over uv?

742

WHAT IS THE USE OF STARTER ?????????

2426

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

2248

for which product require to do content uniformity? what is limit of cu?

819

what is the procedure for cleaning of lenses of hatr accesory of ftir instrument?

2293

in OSD forms require to use gas chromatography?

834

How to determine water content of bis tetrazole amine mono ammonium salt

3487

why salisylic acid not using now days for disdolution calibration?

772

How can we confirm the HPLC column is end-capped or not? Is it possible to identify by physical appearance?

3218

what is partion and column chromatography

2392

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