Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

What are the factors effect peak shape in HPLC ?

College School Exams Tests,

2 2356

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

College School Exams Tests,

537

explain 5 components of gas chromatography ?

Nucon, College School Exams Tests,

563




Describe 5 components of SFC ?

College School Exams Tests,

1 762

How we can determine water content in piperazine

GVK, Cipla,

811

Difference between hlaf and rlaf

Sharon,

600

What is oot in Stability analysis? (example)

Indoco Remedies,

2 1101

How to choose concentration of LOQ solutions for RS analysis? Example.

Indoco Remedies, Abbott,

660




What is the main difference between ODS1 and ODS2 Hplc column.

Indoco Remedies,

1491

How to select Sample concentration in RS analysis?example.

1 1115

What is Diffidence between Normal Detector and PDA Detector?

Aurobindo,

2 2828

If we have a kc is1*10^8 and the .kp 2*10^5 of reaction A------->B C------->D what is the volume of C?

517

What is linearity in hplc and how to calibration

Aurobindo,

1 1571

Why void volume(time in seconds) 1 in hplc system suitability

1 2242

what is role of pH in mobile phase

Cipla, Dhanuka Laboratories,

3 4490


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Un-Answered Questions { Analytical Chemistry }

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

6549


In HPLC (Waters) software Empower1,2 &3 what is the updation for each version

1305


what is the importence and role of LCMS and LCMS/MS and their applications? which type of compounds are analysis by lcms?

2224


what is the structure of DOWEX-50

3490


WHAT IS DIFFERENCE B/W MALTINGRANG/DSC

1068






We use hicrome 10 cxs column in hplc analysis....pls tell me.. what is the meaning of 10 cxs?

177


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

624


What is Band broading effect explain

476


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

1213


IS THERE ANY EQUIPMENT TO CHECK AND CALCULATE THE POLARITY OF A LIQUID?

1159


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

887


pharma industries oriented

749


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

3467


What is gelatinization?

306


What is aggregate and fragments in SEC?

550