Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

What is the difference between Chromatograhic Purity And Related substances

Cipla,

10 42475

what is the difference between M.C and LOD

Matrix, Aurobindo, Synthokem Labs, Cipla, Laurus,

21 48009

what is the lamp used in SOR?

Aurobindo,

18 18337




What is the difference between Capillary column and Packed column.

Cipla, Sun Pharma, Hetero, Supreme Petrochem,

7 56348

whai is primary standard?

10 12852

what is the value of pH

Reddy Labs,

11 14788

what is method development parameter in HPLC method development

GVK,

6 35869

How to calculate LOD & LOQ in HPLC Validation Method

Reddy Labs, Reliance, Dr Reddys, GSK GlaxoSmithKline, UIS,

14 90994




Why forced Digradition Study is done

6 8283

What is reaction takes place when water content analysis is done

2 7384

How are PDA Detector work in HPLC

Agilent,

7 31551

what is the differnce between GMP and CGMP

Shilpa Medicare,

7 29971

what is a drug?

Aurobindo,

11 12267

What is the purpose of performing dissolution test on routine basis?

3 6302

why in uv we take k value less than 1

2 7605


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Un-Answered Questions { Analytical Chemistry }

Why only Copper standard is used to calibrate Atomic Absorption spectrophotometer?

1177


what is the extinction coefficient for Indomethacin or at 319nm wave length.

2495


what is difference in ods I ods II is this is realy from sorbent / packing characteristics or from other means

645


in dissolution in one tablets two molecule one is losartan & second is HCTZ losartam is complies in s1 stage & hctz is complies in s2 stage then how to report result losartan s1 stage result or losartan s2 stage result

863


acceptance criteria for lod & loq by standard deviation of response and slope??

1131






What is the calibration of uv process and preparation

619


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

894


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

6765


why lactose has less charges when packed in steel containers when compared with packing of lactose in polyamide material?

905


In Dissolution Test why limit is define Q+5% what is the role of +5%.

1338


IS THERE ANY EQUIPMENT TO CHECK AND CALCULATE THE POLARITY OF A LIQUID?

1187


function of detecter in hplc ,gc and spectroscopy? function of carrier gas in gc?

1162


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

2519


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

5712


how to calculate corelation coefficient in G.C Calibration? what is the calculation part?

910