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

Analytical Chemistry Interview Questions

Questions Answers Views Company eMail

WHY POTASSIUM DICROMATE USING IN UV CALIBRATION

Apotex, Micro Labs, Rene,

1 19356

What is the Baseline in HPLC.

Teva API,

2 12433

Why dst is used in kf for factor determination less than 1

Reddy Labs, Sun Pharma,

4 17812

why should we calibrate pH meter with 4,9.2 and 7.4 buffers particularly?

Celon Labs,

5 15195

why inject diluted standard solution in related substance analysis by HPLC?

Biocon, Sun Pharma,

3 17654

What is the Calcultion of S/N Ratio.

2 11264

Principle of HPLC in one sentance

Syngene,

8 19738

Why are using in Hi,zero air, Ni gass are used GC

Aurobindo, ELBS, Vimta Labs,

5 14243

what is the balance drift?

Torrent Pharma,

2 11749

Retention time & Relative Retention time Definition & between difference? How to Calculate response factor(RF) & relative response factor(RRF)?

MSN Pharma, Titan,

3 20600

why are using toluene in uv calibraion in resolution performance

MSN Pharma,

2 11095

why we make titiration of Iron with EDTA ?

Cipla, Sitec Labs,

1 9080

What is difference b/w IR&NIR

Apotex,

1 5802

Why does boiler drum ph maintain from 9.5 to 10.2

1 7812

What is the definition of water content or moisture content,what is the procedure going on w.c amalysis?

Cipla, KIYI,

1 11042

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Un-Answered Questions { Analytical Chemistry }

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

825

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

1769

i want model written test paper for the post of analyst in IOCL(indian oil corporation ltd) any one pls help me

2735

Colorimtry

1660

How to calculate coreletion coefficient

1713

What are usp limits for theoritical plats,resoution,tailing factor,peak to valley ratio

1900

can i use hplc detector to uplc and why?

2292

analytical method validation require to with respect to release specification or shelf life specification?

793

What are modes of quantification in related substances

2163

Difference between the quantitative analysis and qualitative analysis?

1180

why digestion require in icpms?

774

Which products will produce when acetic anhydride reacts with Ter-butanol, Sec-butanol, Iso butanol, Dimethylamine etc.

2865

In performance Check of GC Why Hexadecane Peak is Considered

3045

what is the purge flow & how to calculate

2648

what is the acceptance criteria for enteric coated tablets in 0.1n hcl validation in each parameter?

890

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