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 water content test performed

1 6194

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

2 7360

What are modes of quantification in related substances

Hospira,

2163

what is the source of ir spectroscopy

CTX Life Sciences, Mylan,

2 7506

Difference Between End Cap HPLC Column and Non End Cap Column

2 14693

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,

1915

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

2256

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

Cipla,

2919

What is the principle of Thermal conductivity detector and FID?

Cipla,

2732

why 6 tablets use for dissolution

Cadila, IPCA, SUN, Teva Pharmaceuticals,

1 4633

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

Lupin,

1 5433

how many types oos and oot

1 4777

what is icdas abbrivation

1 6396

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

1 3940

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

Hetero,

2 21986

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Un-Answered Questions { Analytical Chemistry }

how will you do the prep for unstable componds?

2025

mahagenco syllabus for the post of chemist

6476

What is related substance by HPLC impurity limits as per USP?

1106

is it necessary to do HPLC calibration at wavelength 315nm if we are doing analysis at this wavelangth

2170

if your product is soluble in 0.1n hcl and water then which you choose as media from these 2 media?

679

How to determine the EDTA content by potentiometry titration in Ceftriaxine sodium

2546

what are the guidelines for analytical method validations?

1102

2. Two grams of Benzoic acid are dissolved in 200 ml of water and extracted with 200 ml of diethyl ether. The distribution coefficient of benzoic acid is 100, and its dissociation constant is 6.5 10-5. Calculate the distribution ratio (D) of benzoic acid at pH 2, 5, and 6. 3. Calculate D at pH 2 to 10 (1 unit apart) in the above problem, and plot D versus pH.

2224

inhouse product is in capsule form in combination and RLD is in tablet form then can we proceed for multimedia CDP? in inhouse capsule product disso is paddle with sinker in release media is there then RLD product in tablet form then with same as paddle with sinker we can proceed n.a.?

715

what is mean by dissolution hydrodynamics?

826

How to start the dissolution development for unknown tab?

1679

if you have given a blank water how you analyse by general analytical techniques?

2031

Ph meter can show more than 14 ph reading? Why ph range in between 1 to 14 only?

741

What is diffrence between extractable volume and deliverable volume? Answer pls

4573

What is third generation HPLC Columns?

1981

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