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

Analytical Chemistry Interview Questions

Questions Answers Views Company eMail

what is the defination of calibration & verification?

Divis Laboratories,

9 30681

what is specificity?

Amneal Pharmaceuticals, Aurobindo,

4 13856

why we use only vanilline , acetanilide,& caffeine For the Calibration of melting point appartus?

Reddy Labs,

7 33478

who is the father modern liqiud chromatogrphy?

Amneal Pharmaceuticals, Car Chem, Cipla,

3 14208

what is the meaning of ventillation in HPLC?

Amneal Pharmaceuticals,

3 14241

which solvent is highest poler acetonitrile dimethyl formamide methanole tetrahydrofurane buffer solution

8 16684

what is the difference betwen the analytical column & peparative column?

4 15025

why we conclude the area% for the chromatographic purity?

Amneal Pharmaceuticals, Lupin,

1 8375

what is the general mechanism of high performance liqiud chromatography?

Ajanta Pharma, Amneal Pharmaceuticals,

7 18722

why 2Theta value is consider in the XRPD spectra and how to consider the 2 Theta value

2 8743

why we wre doing linearity siudiec in hplc method validation

Cipla,

3 24060

what does optical rotation and specific rotataion means,difference between them

CPL, Neuland,

8 35435

what is regration method in method validation , how we can calculate it.

Cipla, Sun Pharma,

3 13173

viod volume and dead time

Oxygen Healthcare,

7 21853

i want model written test paper for the post of analyst in IOCL(indian oil corporation ltd) any one pls help me

2779

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Un-Answered Questions { Analytical Chemistry }

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

3223

What is the difference between Discriminating media and DPDM(Dissolution Profile with Different Media)

7601

why should we perform dissolution PVT calibration only by UV spectrometer, not by HPLC ?

1752

what you do when compound having dwel wavelength?

805

sop of a uv visible spectrophotometer double beam elico model

5989

Ratio of Water and Acetonitrile(diluent) is not recommended to use in cleaning method validation,why?

3020

In HPLC Calibration, On which basis RSD Limit of noise test is fixed (NMT 33.0 % )

3551

what is mean by dissolution hydrodynamics?

885

if your product is soluble in 0.1n hcl and water then which you choose as media from these 2 media?

735

what is diffrence between specificity and selecivity?

836

What is related substance by HPLC impurity limits as per USP?

1153

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

868

if instrument calibration fails then what require to do?

1017

for heavy metal test lead used in which form pure form or any other form for preparation of lead standard sol

6141

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

981

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