Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

In Force degradation Study Compound is not degrade in any condition , also in higher stress what can i do ?

Alembic,

4 5764

4. Describe the operation of the Craig apparatus. Chapter.3 Equilibrium Processes in Separations

1174

2. Two grams of Benzoic acid are dissolved in 200 ml of water and extracted with 200 ml of diethyl ether. The distribution coefficient of benzoic acid is 100, and its dissociation constant is 6.5 10-5. Calculate the distribution ratio (D) of benzoic acid at pH 2, 5, and 6. 3. Calculate D at pH 2 to 10 (1 unit apart) in the above problem, and plot D versus pH.

796




How to Prepare Dilute Sodium hydroxide solution?

Claris Otsuka,

3 3249

what type of question will ask in the interview of lab chemist.

Monginis, Godavari Biorefineries,

2015

Why we show ammonia vapours to tlc plate?to which compounds?

1 3758

What is the SOP for SOP

JBCPL,

4 5696

Why perform dissolution multimedia study in dissolution Development

Optimus, Cipla,

4 12967




what is the purge flow & how to calculate

Granules,

1095

what is mean by 21 CFR PART? In that what is 21 ?

1 8971

is there any exact definition for Theoritical plates ? chennu srinivas

5 5958

What is the use of tailing factor ?

2 10198

what is the relation of normality & molarity ? give me formula?

5 8681

In C8,C18....etc have 4&5 etc... microns Columns is there like that how to separate Chiral columns as per Micron size?

1 3689

What is the diff b/n OVI and Residual solvents

1 4386


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Un-Answered Questions { Analytical Chemistry }

What should be the level/ Percentage of Arsenic in Arsenic free zinc.

952


How you develop a method in HPLC?

1189


what is the identification test of volatile substance? what is volatile compound?

893


which one is better separation in high pressure liquide chromatogram orlowpressure chromato gram in hplc

858


Why potassium dichromate is used in calibration of uv?

178






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

476


what is procedure of actual procedure for registration of drug?

543


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

4982


Why potassium dichromate was using in Uv calibration?

83


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

3467


how will you do the prep for unstable componds?

589


In BP2013, Loperamid HCl monograph. Assay by titration with 0.1N sodium hydroxide using hydrocloric acid 0.01N and reading the volume added between the 2 points of inflexion. I have a question that if the diluent solvent is ethanol is certainly consumed a amount of volume of titrant, so this volume must be eliminated on the result calculation or not apart from first point which is subtracted above.

1521


Explain the relations between number of carbon atoms in alkanes and retention time ?

535


Can we interpret accuracy from linearity in method validation?

668


why sre you used Potassium hydrogen phthalate in standarisation of 1N NaOH and 0.1 N Perchloric Acid?

6547