Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

What is the defination of Bulk density?

Dr Reddys,

4 10758

What is the Defination of Tapdensity ?

Dr Reddys, R L Fine Chem,

4 8643

What is the formula for Tapdensity /

Dr Reddys, GR Intrachem,

6 11462




Why use in sodium salicylate in uv lamps calibration

Reddy Labs, Auctus Pharma,

1 4232

Why using Holmium oxide in UV calibration

Orchid, Dr Reddys, Matrix, Nakoda Chemicals,

8 32203

Why we are performing wavelength accuracy at lower and higher wavelengths in HPLC calibration

3 8863

How to fix the concentration for RS by HPLC

Reddy Labs, Intas,

8 28841

what is the definition of Precision.

Cipla,

4 6989




what is the identification test of volatile substance? what is volatile compound?

1 1001

what is differance between volatile and non volatile compound expalin by exaple

2 12132

Why do we use 500ppb sucrose and 500ppb 1,4 benzoquinone in TOC calibration?

1 1782

In the test for control of absorbance in UV calibration why do we use only potassium dichromate and what is purpose of taking a specified amount of 57.0-63.0mg?

Cipla, FDC, Aurobindo,

8 46659

In the test for control of absorbance in UV calibration why do we use only potassium dichromate and what is purpose of taking a specified amount of 57.0-63.0mg?

Reddy Labs,

1 7038

Why do we use 500ppb sucrose and 500ppb 1,4 benzoquinone in TOC calibration?

5 15193

what is the use of performing tapped density in pharmaceutical industry

1 7940


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Un-Answered Questions { Analytical Chemistry }

What are the primary considerations in extractables and Leachables ?

990


How to compare XRD graphs against standard and carry polymorpism study of API's by powder XRD method?

2550


how the compound separate in coulunm,explain

1000


why should we perform dissolution PVT calibration only by UV spectrometer, not by HPLC ?

336


Why a1% value is used for some product ? What is the criteria for selection a1% value ?

926






mahagenco syllabus for the post of chemist

4880




1027


Why do we use KMnO4 in the test of control of obsorbance ? and why do we take specific quantity i.e 57-63mg?

1280


What is aggregate and fragments in SEC?

628


what is the procedure for cleaning of lenses of hatr accesory of ftir instrument?

1045


Why potassium dichromate was using in Uv calibration?

345


How we can determine water content in piperazine

872


What is intact assay method development.....?

1102


in dissolution why pool sample needed? in which type of drug pool sample need?

1809


What is the difference between Discriminating media and DPDM(Dissolution Profile with Different Media)

5245