Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

What is the difference between Chromatograhic Purity And Related substances

Cipla,

10 43382

what is the difference between M.C and LOD

Matrix, Aurobindo, Synthokem Labs, Cipla, Laurus,

21 48696

what is the lamp used in SOR?

Aurobindo,

18 18658




What is the difference between Capillary column and Packed column.

Cipla, Sun Pharma, Hetero, Supreme Petrochem,

7 57154

whai is primary standard?

10 13045

what is the value of pH

Reddy Labs,

11 14936

what is method development parameter in HPLC method development

GVK,

6 36281

How to calculate LOD & LOQ in HPLC Validation Method

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

14 91682




Why forced Digradition Study is done

6 8406

What is reaction takes place when water content analysis is done

2 7506

How are PDA Detector work in HPLC

Agilent,

7 31928

what is the differnce between GMP and CGMP

Shilpa Medicare,

7 30212

what is a drug?

Aurobindo,

11 12437

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

3 6413

why in uv we take k value less than 1

2 7717


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Un-Answered Questions { Analytical Chemistry }

how the compound separate in coulunm,explain

1000


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

1045


How they found 1mL of K.F reagent is equivalent to 5mg of water and if we change the composition of K.F reagent, is it can neutralize more amount of water?

317


4. Describe the operation of the Craig apparatus. Chapter.3 Equilibrium Processes in Separations

1257


Why sometime potassium ortho phosphate mix with acetone use for sample preparation for hplc

232






WHICH STANDARD WE USE IN SILICA ANALYSIS IN SILICA-GEL METHOD FOR SOLID SAMPLE

845


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

1102


please explian me about area normalisation method,diluted standard method,impurity vs impurity and which one has to be selected in method development

308


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

3558


How to check hplc detecter sensitivity?

222


what is partion and column chromatography

1025


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

1211


Why we check moisture,ash & AIA in product

456


what is the importance of peak purity in HPLC and how we can calculate through manul(not software)?

3070


How do we quantify crystaline and amarpous forms by using (NMR, XRD)spectroscopic techniques? Which any others instruments are useful for this quantification? explain

1135