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

Analytical Chemistry Interview Questions

Questions Answers Views Company eMail

when we use pda detector in hplc instead of uv detector

Hetero,

6 25615

why we use holmiumperchlorate in calibrating uv

Aurobindo, DRL, MSN Pharma,

4 18663

why chiral compounds will rotate the plane polarized light in SoR.

GVK,

4 15468

Why sulpuric acid only used to ROI but not used nitric acid and some other acids?

Cadila, Laurus, Ranbaxy,

7 33014

how we do assay of urea, ammonium sulpate, ammonium nitro pospate etc

Alembic,

1 3966

what is difference of uv and pda

Akums, MSN, MSN Pharma, Shilpa Medicare,

13 70983

how can you do the analysis of compound given to u by hplc

2 8711

What is calibration procedure of gredient HPLC pump

4 25823

How to determine water content of thioanisole? which interfere by KF titration?

1 7837

what is dissolution

DRL,

6 28664

What is colimn selection Criteria in HPLC analysis?

4 16124

How to select buffer for HPLC mobile phase

Cadila, Cipla, Lupin,

4 23357

What is primary & Secondary Standard ? Give Example

Cipla, Lupin,

17 167653

Which buffer is used for LC/MS mobile phase & at What Conc.

3 11568

How we fix the validity period of a Normal solution and re-standardization due date

3 9482

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Un-Answered Questions { Analytical Chemistry }

why we use glass fiber filters use in some situation?

852

how you determine moist.of NaOH sol or NaOH flacks

2266

WHICH STANDARD WE USE IN SILICA ANALYSIS IN SILICA-GEL METHOD FOR SOLID SAMPLE

2186

How much is the standard area for glc analysis

2333

How to fix the sample conc. in Related substances test by HPLC?

1145

Why are use silicon oil mr?

1261

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

5303

why digestion require in icpms?

830

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

2208

how require to fix the linearity and accuracy cincentration range?

1739

in hplc chromatogram started from left to right and in uv spectrum started from left to right

1016

How to start the dissolution development for unknown tab?

1740

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

792

mahagenco syllabus for the post of chemist

6515

What are the primary considerations in extractables and Leachables ?

2320

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