Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

why plane of polarized light rotated by opticaly active compunds?

Glenmark,

1 3446

why plane of polarized light rotated by opticaly active compunds?

Glenmark,

1 6886

Can any one tell what is RECALL OF PROCEDURES is

Macleods,

1 2705

what is the difference between capillary and glass column in GC

1 7379

differance between L1 and L7 columns

Everest,

5 23419

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 20328

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 3746

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

Orchid,

1 7933

why we use only six bowls for dissolution of a drug

Cipla, Natco, TelePerformance,

1 20226

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

Cipla, Laurus, Micro Labs,

9 22588

why PH range 0-14 explain

DRL, Reddy Labs, Saint Gobain, Viva,

5 61910

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 6487

why we prefer kbr for ftir than kcl?

Aurobindo,

5 12441

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,

1917

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

2092


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Un-Answered Questions { Analytical Chemistry }

AT WHAT CONDITIONS WILL YOU ANALYSE A SAMPLE,WHICH ARE PRESERVED AT OTHER THAN THE AMBIENT CONDITIONS?(ie COLD STORAGE SAMPLES BELOW 20* CENTIGRADE?

1576


In GC calibration,what is the procedure to calibrate the TCD (thermal counductivity detector)suggest ?

2683


A ha tc is actual defination of retention time?

1032


in which situation ion pair require to use?

254


How to calculation of residual solvent methanol (3000 ppm) standard solution, and how many quantity used of test sample

2484






In performance Check of GC Why Hexadecane Peak is Considered 

2523


how require to select dissolution media? what is discrimination?

283


How require to develop GC method? how to select diluent, GAS, column selection and other chromatographic conditions?

248


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

2250


all types of questions asked at the cipla interview

4115


what is turbidimetric titration?Give 2 examples.

1950


why xterra column require to use at higher ph?

401


give clarity of linearity and range in method validation

1819


what is mean by ambient temperature?

308


what type of questions asked on analytical balance and also give answers................all pharma companies?

11674