Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

what is the defination of calibration & verification?

Divis Laboratories,

9 20801

what is specificity?

Amneal Pharmaceuticals, Aurobindo,

4 8629

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

Reddy Labs,

7 20074




who is the father modern liqiud chromatogrphy?

Cipla, Amneal Pharmaceuticals, Car Chem,

3 9198

what is the meaning of ventillation in HPLC?

Amneal Pharmaceuticals,

3 9642

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

8 8950

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

4 10244

why we conclude the area% for the chromatographic purity?

Lupin, Amneal Pharmaceuticals,

1 4552




what is the general mechanism of high performance liqiud chromatography?

Amneal Pharmaceuticals, Ajanta Pharma,

7 12416

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

2 5629

why we wre doing linearity siudiec in hplc method validation

Cipla,

3 17249

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

Neuland, CPL,

8 25013

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

Sun Pharma, Cipla,

3 7813

viod volume and dead time

Oxygen Healthcare,

7 13403

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

1373


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Un-Answered Questions { Analytical Chemistry }

Why only Copper standard is used to calibrate Atomic Absorption spectrophotometer?

1179


What is Band broading effect explain

500


What is third generation HPLC Columns?

639


what is weight veriation in pharma industry ? plz explain me

986


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

5126






What is the difference between purge septum flow and column flow in gas chromatography?

723


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?

1199


process of Diclofenac sodium,IP.

831


What is gelatinization?

335


How would you decide dissolution medium for NCE compound of class I drug

664


If we do accuracy at same concentration at which linearity planned,what is the need to do linearity separately?

914


what is DIPE limit in residual solvent?

446


What is diffrence between extractable volume and deliverable volume? Answer pls

627


what is separation techniques.

1300


what is the extinction coefficient for Indomethacin or at 319nm wave length.

2496