Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

what is the defination of calibration & verification?

Divis Laboratories,

9 20032

what is specificity?

Amneal Pharmaceuticals,

4 8178

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

Reddy Labs,

7 19065

who is the father modern liqiud chromatogrphy?

Cipla, Amneal Pharmaceuticals, Car Chem,

3 8795

what is the meaning of ventillation in HPLC?

Amneal Pharmaceuticals,

3 9306

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

8 8558

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

4 9869

why we conclude the area% for the chromatographic purity?

Lupin, Amneal Pharmaceuticals,

1 4141

what is the general mechanism of high performance liqiud chromatography?

Amneal Pharmaceuticals, Ajanta Pharma,

6 12012

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

2 5455

why we wre doing linearity siudiec in hplc method validation


3 16107

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

Neuland, CPL,

8 24023

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

Sun Pharma, Cipla,

3 7448

viod volume and dead time

Oxygen Healthcare,

7 12815

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


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Un-Answered Questions { Analytical Chemistry }

How can I develope method of dissolution by HPLC OR UV


how does h2so4 prevent oxidation of mohr salt before it is titrated?


Why we used in n-butyl acetate water content terminology while in ethyl acetate we used moisture content terminology?


What is the exact reason to use THF and IPA in buffers of Reverse phase HPLC as a solvent?


how the compound separate in coulunm,explain


How can we confirm the HPLC column is end-capped or not? Is it possible to identify by physical appearance?


what is peak purity and its formula


what is the procedure for cleaning of lenses of hatr accesory of ftir instrument?


What is stray light in uv what are units for stray light


How will u perform degradation study in detectors other thann PDA in HPLC Methodology


How can the GC or HPLC method is selected to determine the impurity profile in drug product?


How do we get end points and how many end points are possible for citric acid and di-acid not theorotically answer should be given practically.


What is the formula to determine the concentration of M of a solution given the % transmittance? Use %T = 43.7 as an example.


what is the importance of peak purity in HPLC and how we can calculate through manul(not software)?


what is %labelled amount in content uniformity of dosage unit and its calculation?