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Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

what is dwell volume in HPLC?

Aurobindo, Cadila, Strides, SUN, Sun Pharma,

2 8061

what does pH stand for?

Orchid,

4 8630

Definition of beers_ lamberts law

Aarti Industries, Agio Pharmaceuticals, Emcure, Supriya Lifescience,

4 8545

Why monograph of hplc coming upperside of drift but in IR monograph coming in drift side?

1 4272

Why a1% value is used for some product ? What is the criteria for selection a1% value ?

Zim Laboratories,

2393

Why the ph limit (1_14) Is used?

Cipla,

3 8494

What is cut off value of solvent used in hplc

Pfizer,

1 6671

How to calculate mass balance in RS after degradation

Reddy Labs,

1 6188

if out of two set of results of moisture analysis first 1 is passing, second one is failing, is it oos ? or vice a versa first 1 is failing and second one is passing. for information mean value to be reported and in mean value the substance is ppassing, is it oos or normaal mean value to be considered?

JBCPL,

1 3757

Can we interpret accuracy from linearity in method validation?

Dr Reddys, Lupin,

1 3109

What is aggregate and fragments in SEC?

2157

how pyridine can be analysed other than GC?

1 4430

What is the calibration of uv process and preparation

Aurobindo,

2044

How to prepare 1000ppm methylene blue solution

2 21469

Identify problem faced when mass spectroscopy is used with HPLC system ?

College School Exams Tests,

1927


Post New Analytical Chemistry Questions

Un-Answered Questions { Analytical Chemistry }

what is procedure of actual procedure for registration of drug?

2055


what is biorelivent dissolution media?

859


Loss of linearity in tkn analysis, possible reasons?

1363


What is rs test why we are performing rs test?

1907


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 ?

2704


which are the diffrent batches in the pharmaceuticals?

863


before starting analytical method valodation what you checking? and how giving preference to start validation?

859


mahagenco syllabus for the post of chemist

6512


iam usig ph buffers merk. manually how to prepare ?

2325


please explain about aluminium hydroxide assay

1185


What is stray light in uv what are units for stray light

1720


what is mean by dissolution hydrodynamics?

885


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

10064


how you confirm the assay method?

826


[3/30, 13:29] Manoj P Venkatpurwar: How hplc column selection according to structure? How mobile phase buffer selection on molecule structure?

849