Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

What is the defination of Bulk density?

Dr Reddys,

4 10919

What is the Defination of Tapdensity ?

Dr Reddys, R L Fine Chem,

4 8812

What is the formula for Tapdensity /

Dr Reddys, GR Intrachem,

6 11641




Why use in sodium salicylate in uv lamps calibration

Reddy Labs, Auctus Pharma,

1 4368

Why using Holmium oxide in UV calibration

Orchid, Dr Reddys, Matrix, Nakoda Chemicals,

8 32866

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

3 9143

How to fix the concentration for RS by HPLC

Reddy Labs, Intas,

8 29515

what is the definition of Precision.

Cipla,

4 7173




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

1 1098

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

2 12336

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

1 1942

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 47541

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 7244

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

5 15820

what is the use of performing tapped density in pharmaceutical industry

1 8131


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Un-Answered Questions { Analytical Chemistry }

what type of questions asked on analytical balance and also give answers................all pharma companies?

6284


why are measure gas flow " ml " in Gas chromatography

398


What is Band broading effect explain

599


some product having water content method with pyridine and ethylene glycol mixture instead of methanol? how they are selecting and methanol is not suitable solvent how ?

1180


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

2323






how to calibrate hplc & gc

3126


Why potassium dichromate is used in calibration of uv?

336


give clarity of linearity and range in method validation

972


What are usp limits for theoritical plats,resoution,tailing factor,peak to valley ratio

333


can i use hplc detector to uplc and why?

977


calibrtion procedue of LC-MS

1302


how will you do the prep for unstable componds?

689


all types of questions asked at the cipla interview

3378


why octanol used to determine the partition coefficient ?

1007


what is peak purity and its formula

238