Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

why water content test performed

1 3314

What is peak purity and response factor in chromatographic analysis? Why we required to find out response factor?

2 3476

What are modes of quantification in related substances

Hospira,

800




what is the source of ir spectroscopy

Mylan, CTX Life Sciences,

2 4152

Difference Between End Cap HPLC Column and Non End Cap Column

2 7500

Which type of column should i use to check the purity of high molecular weight protein using HPLC reverse phase column chromatography? Hi everyone. I wanna to check the purity of high molecular weight protein (collagen) with MW of ~130 kDa using a HPLC. I know C18

Petronas, Shanghai Ocean University,

577

How would you decide dissolution medium for NCE compound of class I drug

630

What is the principle of hplc detectors like.. UV detector,flurosence detector, RID?

Cipla,

1143




What is the principle of Thermal conductivity detector and FID?

Cipla,

1311

why 6 tablets use for dissolution

Teva Pharmaceuticals, Cadila, IPCA, SUN,

1764

What is the limit of minimum area in in hplc RS anlysis

Lupin,

1 2272

how many types oos and oot

1 1446

what is icdas abbrivation

1 1740

Why should we use Potassium iodide and Hydrochloric acid during preparation of Iodine Molar solution?

1 1550

How can you calculate manually "Slope" in pH calibration?

Hetero,

2 10101


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Un-Answered Questions { Analytical Chemistry }

wat is the role of michelson interferometer in FTIR and He-Ne lase.detailed answer required in simple language

990


How to do regeneration of Metacarb Pb plus column?

1181


HI,I CLEARED BOB CLERK EXAM. MY INTERVIEW WILL BE ON 9TH OCTOBER,2010.PLEASE SEND ME INTERVIEW QUESTIONS AND ANSWERS. THANK YOU.

895


How do we get end points and how many end points are possible for citric acid and di-acid not theorotically answer should be given practically.

1134


How can we calculate "confidence interval" in analytical method validation? Pl. explain with example.

2323






acceptance criteria for lod & loq by standard deviation of response and slope??

1077


what is the structure of DOWEX-50

3489


what is the importence and role of LCMS and LCMS/MS and their applications? which type of compounds are analysis by lcms?

2224


what is third integration

631


Difference between hlaf and rlaf

599


in gas chromatography what is the difference between gas flow rate and average linear velocity ?

927


Can we interpret accuracy from linearity in method validation?

668


how much mass should be there in volumetric flask while in preparation of sample for assay? 

1063


How can we determine Moisture content of HI?

968


why equlirium conatant of water have 14 value

838