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

Analytical Chemistry Interview Questions

Questions Answers Views Company eMail

why plane of polarized light rotated by opticaly active compunds?

Glenmark,

1 4447

why plane of polarized light rotated by opticaly active compunds?

Glenmark,

1 7809

Can any one tell what is RECALL OF PROCEDURES is

Macleods,

1 3657

what is the difference between capillary and glass column in GC

1 8259

differance between L1 and L7 columns

Everest,

5 25745

what is basc principle of the HPLC,IR,UV AND GC? what is difference between diffusion spectra and transmision spectra in IR?

Cadila, Dr Reddys, GICC, Mylan, Sygene, Torrent Pharma, Zydus Cadila,

1 21449

plz tall me that any pharmacopeia and guideline is par meted to use 1.68,4.01,7.00,9.00,12.45 buffer for ph meter calibration

Torrent Pharma,

2 5002

In pharmaceuticals formulation OOS applicable in Raw Material(which is not manufacturing in the company. and purchase by approved vendor)).Why?

Orchid,

1 9066

why we use only six bowls for dissolution of a drug

Cipla, Natco, TelePerformance,

1 21679

On which pharmacopoeia basis we can calibrate instruments like HPLC,GC,UV,DISSO,IR etc...

Cipla, Laurus, Micro Labs,

9 25859

why PH range 0-14 explain

DRL, Reddy Labs, Saint Gobain, Viva,

5 65314

How to make up 100ml of a solution cintaining compound A at 95µg/ml and compound B at30µg/ml for an HPLC reference standard.

3 7755

why we prefer kbr for ftir than kcl?

Aurobindo,

5 14496

How do we quantify crystaline and amarpous forms by using (NMR, XRD)spectroscopic techniques? Which any others instruments are useful for this quantification? explain

Graviti Pharmaceuticals, Vimta Labs,

2413

EXPLAIN THE CALCULATION PART OF AN KF TITRATOR CALIBRATION WITH SUITABLE EXAMPLE

2666

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Un-Answered Questions { Analytical Chemistry }

what are risk assement in the analytical qbd?

780

What is control room temperature and which guide line says?

1670

1)What's the meaning of Absorption,give a example. 2)What's the meaning of Adsorption,give a example. 2)what is the difference between Absorption and Adsorption.

2907

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

2696

Why we select scan range from higer wavelength to lower wavelength in uv visible spectroscopy and ftir spectroscopy ? .

932

why we use a particular hplc column for a particular compound give reasons?please

2763

WHAT IS THE CRITERIA FOR SELECTION OF TIME OF DISSOLUTION AND THE MEDIUM OF DISSOLUTION?

2595

Which parameter require to do for analytical method equivalency?

795

How to fix the sample conc. in Related substances test by HPLC?

1117

what is mean by extactable and leachable study?

1202

analytical method validation require to with respect to release specification or shelf life specification?

823

how decide the clining method and cleaning method validation require for this perticular products?

789

is it necessary to do HPLC calibration at wavelength 315nm if we are doing analysis at this wavelangth

2201

why we are using hexane in calibration of number of drop per mL

1757

if you have given one product then how you determine the impurity in that?

776

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