Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

What is the difference between Chromatograhic Purity And Related substances

Cipla,

10 44348

what is the difference between M.C and LOD

Matrix, Aurobindo, Synthokem Labs, Cipla, Laurus,

21 49565

what is the lamp used in SOR?

Aurobindo,

18 19187




What is the difference between Capillary column and Packed column.

Cipla, Sun Pharma, Hetero, Supreme Petrochem,

7 58093

whai is primary standard?

10 13281

what is the value of pH

Reddy Labs,

11 15218

what is method development parameter in HPLC method development

GVK,

6 36662

How to calculate LOD & LOQ in HPLC Validation Method

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

14 92586




Why forced Digradition Study is done

6 8576

What is reaction takes place when water content analysis is done

2 7632

How are PDA Detector work in HPLC

Agilent,

7 32350

what is the differnce between GMP and CGMP

Shilpa Medicare,

7 30554

what is a drug?

Aurobindo,

11 12718

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

3 6573

why in uv we take k value less than 1

2 7842


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Un-Answered Questions { Analytical Chemistry }

What is the exact reason to use THF and IPA in buffers of Reverse phase HPLC as a solvent?

2531


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

1228


what is the limit for KF Factor ,we take factor using water we will found factor between 6 to 7 ,while on KF Reagent bottle mentioned 5 mg/ml water content.if we not use dried methanol it is effect on factor.

732


How can we calculate offset value pH measurment

235


How can I develope method of dissolution by HPLC OR UV

996






why equlirium conatant of water have 14 value

935


what is definition of validation? which components are followed give detail?

934


How will u perform degradation study in detectors other thann PDA in HPLC Methodology

1263


Tell me something about Vitamin A test method by HPLC

1369


what is impurity profile. how to interpret this impurity profile to a drug product or drug substance.

1092


why we are using hexane in calibration of number of drop per mL

259


what are the standard methods for HPLC?

1531


What is aggregate and fragments in SEC?

677


In HPLC (Waters) software Empower1,2 &3 what is the updation for each version

1458


How to choose concentration of LOQ solutions for RS analysis? Example.

805