Analytical Chemistry Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Analytical Chemistry Interview Questions

Questions Answers Views Company eMail

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

Watson Pharmaceuticals,

1 6070

we run the same sample in same method in different flow rates in HPLC,any changes in sample analysis?

2 7517

For limit test of heavy metals in BP, Method C require that the substance is ignited at a temperature not exceeding 800 °C. Why confines such the temperature?

4073

For titration in anhydrous media with perchloric acide, if lack of titrator, Which indicator is been used for replacement. How calculate pH of test solution to choose suitable indicator?

2312

if the flow rate is increases then any changes in retention time in hplc

1 8036

Whatn is HPLC

HPLC, Jubilant, Orchid,

1 7472

what is the limit of Correlation for IR test compare to the standard and test

Nakoda Chemicals,

3 10363

IS THERE ANYWHERE MENTION THAT THE RE PROCESS BATCH REQUIRE TO KEPT STABILITY STYDY

Nakoda Chemicals,

2 6594

why holmium perchloate solution in Uv calibration

Alembic,

2 10706

why do we have to used saturated ammonia in TLC

Cipla, IPCL, Mylan,

3 11755

stability study is going on up to 3years for famotidine-USP but the pharmacopeia is revised and tlc test is replaced with hplc test. At the 4th year frequency the product is failed in hplc test .how can i assain the expiry or retest date and can i stop or continue the programme?

Nakoda Chemicals,

2 6623

how to correct peak when peak comes broader in shape? How to do calibration of HPLC?

Mankind,

2 8359

HOW TO CALIBRATE HPLC OVEN

Mylan,

1 6734

What is importance of pH in the Heavy metal test and How it effect on the test results?

2283

which light is used in FT-IR spectroscopy

Hetero,

6 18526

Post New Analytical Chemistry Questions

Un-Answered Questions { Analytical Chemistry }

what is mean by ambient temperature?

916

in each media we require to use SLS? how to proceed?

787

How require to develop GC method? how to select diluent, GAS, column selection and other chromatographic conditions?

734

What is the calibration of uv process and preparation

1997

mahagenco syllabus for the post of chemist

6476

As per ICH related substances stability trend limit from initial to shelf life

3249

Which parameter require to do for analytical method equivalency?

776

we are performed SOR for a particular product the limit is -6 to -10.We face particular bathes it is not meeting the specification.we performed diffrent instrument diffrent analyst we are getting diffrent diffrent results.solvent is dimethyl sulfoxide what could be the reasion

1870

What is similarity factor?

1206

what is the principle involved in turbidometry and nephelometry ?

4158

For titration in anhydrous media with perchloric acide, if lack of titrator, Which indicator is been used for replacement. How calculate pH of test solution to choose suitable indicator?

2312

if instrument calibration fails then what require to do?

980

how to decide for one product require water content or LOD?

780

Ph meter can show more than 14 ph reading? Why ph range in between 1 to 14 only?

741

If suppose 10 methods of dissolution given in pharmacopoeial for single content product then which method out of 10? or all 10 require to follow?

985

For More Un-Answered { Analytical Chemistry } Questions Click Here