Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

what is a differance between assay by HPLC and assay by titration?

5 20052

what is PH of 0.1N Hcl, 0.01N Hcl & Mehanol.

3 39946

what is batch no. of prednisole tablet.

Dr Reddys,

8 9569




HOW RRF IS CALCULATED IN HPLC

2 8794

why should we do limit of stray light in UV calibration and why should use potassium chloride

2 23753

why ph is between 0 to 14

Reliance, Zydus Cadila, Apotex,

6 16844

what is the definition of limit of stray light in UV calibration

Zydus Cadila, FDC,

1 20977

what is the dipolement and how it is related to IR

Aurobindo, AJ Square Inc,

1 5740




why we are using in ph calibrations ph4,7,9.2 buffers only?

Reddy Labs,

5 14087

why hexane is used for FID calibration in GC

Glochem,

1 2609

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

Zydus Cadila,

3511

how to prepare 5normality of hcl

2 38524

in pentoperazole capsules usp why assay value is substract from dissolution

Ranbaxy,

1 1891

diference b/w packed &capilary columns

2 5430

how to prepare 5 normality of h2so4 solution

Symbiotec,

3 48709


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Un-Answered Questions { Analytical Chemistry }

process of Diclofenac sodium,IP.

829


what is the structure of DOWEX-50

3564


from where i get mortar pastle for glass bottle crush? it's required for testing of it?

853


what is difference between UV - VISIBLE MODEL NO like 1600,1601,1700 etc ? plz explain me

1136


What is the pilot-plant in pharma sector.

924






Colorimtry

171


What is the purpose of octyl silane columns?

2503


Describe your field experience sample type collected,sample techniques,field measurements taken and equipment used?

1402


iam usig ph buffers merk. manually how to prepare ?

934


why we use sodium salicylate in uv light calibration at TLC chamber

4755


We use Potassium Dichromate solution for the calibration of UV-Visible Spectrophotometer in UV region. My question is to calibrate visible region which solution could be used in photometric accuracy

107


Why we check moisture,ash & AIA in product

422


what is third integration

659


what is the different in Total ash, sulphated ash, acid insoluble ash, alcoholic or non alcoholic ash?

6762


what is the origin to prepare standard operating procedure

913