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


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


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.


How to Prepare Dilute Sodium hydroxide solution?

Claris Otsuka,

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

Monginis, Godavari Biorefineries,


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

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What is the SOP for SOP


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Why perform dissolution multimedia study in dissolution Development

Optimus, Cipla,

4 12967

what is the purge flow & how to calculate



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

1 8971

is there any exact definition for Theoritical plates ? chennu srinivas

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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?

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What is the diff b/n OVI and Residual solvents

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Un-Answered Questions { Analytical Chemistry }

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


How you develop a method in HPLC?


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


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


Why potassium dichromate is used in calibration of uv?


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


what is procedure of actual procedure for registration of drug?


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


Why potassium dichromate was using in Uv calibration?


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


how will you do the prep for unstable componds?


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.


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


Can we interpret accuracy from linearity in method validation?


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