Analytical Chemistry Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Analytical Chemistry Interview Questions

Questions Answers Views Company eMail

One Raw material failed assay test is there any chance for failing purity of that material ?

Mylan,

7 14183

What are the differences between GC and HPLC?

1 15232

Why do we need GC instead of HPLC? or Why do we need HPLC instead of GC?

4 13171

What is linearity in HPLC and how will you test?

1 19981

what is the difference between polarimeter lamp and ir lamp

3513

What is the difference of time between two consecutive injections in HPLC?

Nectar Lifesciences,

2 11077

what is difference between IR lamp and polarimeter lamp

Raks Pharma,

2 9955

Why dissolution test is not performed in all of the products

Biocon, SDD,

2538

why we need to do karl ficher fector ?

Reliance,

2 12598

Why we are use 0.005M Sulphuric acid, in control of absorbance performance test UV Spectrophotometer calibration

Cipla, Reddy Labs,

2 16389

How much sample concentration should i inject against diluted standard in related substances for drug product in hplc analysis

Apotex,

1 4556

how to prepare 25 ppm acetone. explian with formula

4 17866

why sucrose not used in polarimeter calibration?

Cipla,

2 10833

What is the diffeence between assay and uniformity of content

2 10094

why ur using toulene in hexane in u.v calibration?

Biological.e.limited, Cipla,

3 30017

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Un-Answered Questions { Analytical Chemistry }

please explain about aluminium hydroxide assay

1135

pharma industries oriented

2250

How to determine water content of bis tetrazole amine mono ammonium salt

3489

WHY pKa value is more important than pH value of the mobile phase in HPLC?

1773

why we use a particular hplc column for a particular compound give reasons?please

2753

in sampling of raw material which side is pasted sampled labels

1844

for which product require to do content uniformity? what is limit of cu?

821

What is the accrptance criteria in RSD for RS method precision on basis of impurity percentages?

830

Explain the relations between number of carbon atoms in alkanes and retention time ?

2152

which one is better separation in high pressure liquide chromatogram orlowpressure chromato gram in hplc

2165

in dissolution if one bowl got 70 percent 2nd bowl got 80 percent and 3rd bowl got 90 percent then how proceed?

759

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

2137

Difference between the quantitative analysis and qualitative analysis?

1184

Which parameters require to do in tech transfer?

761

How doing qbd practically?

980

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