Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

What are the factors effect peak shape in HPLC ?

College School Exams Tests,

2 2514

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

College School Exams Tests,

576

explain 5 components of gas chromatography ?

Nucon, College School Exams Tests,

601




Describe 5 components of SFC ?

College School Exams Tests,

1 819

How we can determine water content in piperazine

GVK, Cipla,

843

Difference between hlaf and rlaf

Sharon,

637

What is oot in Stability analysis? (example)

Indoco Remedies,

2 1229

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

Indoco Remedies, Abbott,

701




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

Indoco Remedies,

1623

How to select Sample concentration in RS analysis?example.

1 1194

What is Diffidence between Normal Detector and PDA Detector?

Aurobindo,

2 2952

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?

547

What is linearity in hplc and how to calibration

Aurobindo,

1 1685

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

1 2334

what is role of pH in mobile phase

Cipla, Dhanuka Laboratories,

3 4700


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Un-Answered Questions { Analytical Chemistry }

Tell me about analytical method validation in QC

1599


Why only Copper standard is used to calibrate Atomic Absorption spectrophotometer?

1178


What is the difference between spectro meter and spectro photo meter?

8286


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

5304


Why only hydroxy naphthol blue indicator is used for standardisation of 0.05M EDTA solution instead of solochrome Black T or Euriochrome Black T indicator which is used for all sample analysis with 0.05M EDTA solution?

933






In Karl Fischer titration,What is the situation if the material tested is only soluble in water,and not soluble in the common solvents used such as methanol ?? [e.g. Iron III Hydroxide polymaltose]

1442


Which type of column should i use to check the purity of high molecular weight protein using HPLC reverse phase column chromatography? Hi everyone. I wanna to check the purity of high molecular weight protein (collagen) with MW of ~130 kDa using a HPLC. I know C18

607


for heavy metal test lead used in which form pure form or any other form for preparation of lead standard sol

3496


How can we calculate "confidence interval" in analytical method validation? Pl. explain with example.

2362


what is separation techniques.

1300


HI,I CLEARED BOB CLERK EXAM. MY INTERVIEW WILL BE ON 9TH OCTOBER,2010.PLEASE SEND ME INTERVIEW QUESTIONS AND ANSWERS. THANK YOU.

930


mahagenco syllabus for the post of chemist

4850


what parameters we will consider while developing a HPLC method and how we confirm our HPLC method is valid?

2146


Tell me something about Vitamin A test method by HPLC

1286


what are the standard methods for HPLC?

1446