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 5854

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

1222

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.

824




How to Prepare Dilute Sodium hydroxide solution?

Claris Otsuka,

3 3489

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

Monginis, Godavari Biorefineries,

2041

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

1 3834

What is the SOP for SOP

JBCPL,

4 5799

Why perform dissolution multimedia study in dissolution Development

Optimus, Cipla,

4 13319




what is the purge flow & how to calculate

Granules,

1126

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

1 9219

is there any exact definition for Theoritical plates ? chennu srinivas

5 6087

What is the use of tailing factor ?

2 10386

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

5 8933

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

1 3766

What is the diff b/n OVI and Residual solvents

1 4468


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Un-Answered Questions { Analytical Chemistry }

iam usig ph buffers merk. manually how to prepare ?

935


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

888


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

3513


What is control room temperature and which guide line says?

285


Tell me something about Vitamin A test method by HPLC

1286






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

1185


Why potassium dichromate was using in Uv calibration?

186


What is aggregate and fragments in SEC?

581


What are the primary considerations in extractables and Leachables ?

955


when we talk about change in entropy we consider total entropy means of surround +entropy of system but when we talk about change in Gibss free energy we consider entropy of system.explain with reason.

735


in dissolution in one tablets two molecule one is losartan & second is HCTZ losartam is complies in s1 stage & hctz is complies in s2 stage then how to report result losartan s1 stage result or losartan s2 stage result

863


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

1259


what is difference in ods I ods II is this is realy from sorbent / packing characteristics or from other means

645


Colorimtry

172


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

2496