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Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

IF HPLC CALIBRATION FAILED THEN WHAT YOU DO

 6 34416

Optical Rotation*0.9477*100*200] Assay Of dextrose= ________________________________ 99.8* 200 why Factor=0.9477

Claris Lifesciences, Inven Pharmaceuticals, Levo,

1 14333

How you will select the runtime in HPLC for a drug in method development.

Aurobindo, GVK, Lesanto Laboratories,

6 19928

If compound Pka is 5 then which buffer you will select ?

Avra, GVK,

5 15074

what is the difference between BDS and ODS Columens and both are same or not

Intas, IPQA, Micro Labs, Vasava Engineering Private Limited,

2 71780

difference between HPLC & LC-MS

Lambda,

9 43807

difference between record & document ?

 4 12954

in what basis wavelength will select for a compound at initial method development trials

Matrix,

4 11100

How did you conclude that when stressing a compond, all degradation products have eluted in chromatogram?

Matrix,

7 9991

how to prepare working standard in our laboratory aganist reference standard ?

Merit Biolabs, Unichem,

4 23688

What is boiling point ? & Explain.

 2 7817

What is Delay & Dead Volume

 2 13820

In method developement or in any analysis if we use small length column for analysis what happen then ? why ?

 3 6734

difference between IR& FTIR

Cadila,

4 14993

1 % solution is equal to how much ppm

 32 417711

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Un-Answered Questions { Analytical Chemistry }

What is mean by PDR?

324

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

2058

before starting analytical method valodation what you checking? and how giving preference to start validation?

339

what is mean by covalidation

314

Hi sir if any product monograph not given known impurities (may be 5 impurities) specifications then how we require to proceed for inhouse formulation?

276




What is third generation HPLC Columns?

1507

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

1732

in which situation ion pair require to use?

277

In the HPLC Calibration done wavelength accuracy done between 200nm-280nm .but not done remaining 300-400nm not done ?

455

using gradient pressure in gas chromatography are not ?using gradient pressure why

2936

what parameters we will consider while developing a HPLC method and how we confirm our HPLC method is valid?

3103

What is viod volume and peak purity in HPLC?

2331

how require to select dissolution media? what is discrimination?

309

What is the diffrence in japan mkt requirement in analytical method validation over US?

287

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

665

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