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

Analytical Chemistry Interview Questions

Questions Answers Views Company eMail

In Analytical method development related substance method when did follow w/w method when did follow area normalisation method

Dr Reddys, Sun Pharma,

2 14055

In Analytical method development related substance method when did follow w/w method when did follow area normalisation method

5 16122

why a ph meter require KCL solution for their storing condition?

Aurobindo,

1 42602

What is Signal to noise ratio?

3 13669

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

GVK, Millennium,

1 3941

I have 1 gram of Diphenylamine and want to make a 10,000 or 1000 ppm solution in methanol. How do I make this?

Midas Technologies,

9 16259

Why forced degradation studies are performed in hplc method validation?

Apex,

6 25613

why base line not starts from zero in gc?

Aurobindo, FDC, Reddy Labs,

1 10233

how to regulate noise in HPLC?

Alkem Labs, Vimta Labs,

2 7613

What is split

Vimta Labs,

4 13134

What is the purpose & importance of using the polystyrene film in ir calibration?

Vimta Labs,

3 13791

Why do we use KMnO4 in the test of control of obsorbance ? and why do we take specific quantity i.e 57-63mg?

Reddy Labs, Vimta Labs,

2793

why 1.2%kcl solution is using in limit os straylight?and why this test used for uv calibration?

Graviti Pharmaceuticals, Reddy Labs, Vimta Labs,

1 8214

why 0.02% solution toluene &noHexane using in uv calibration?

Graviti Pharmaceuticals, Orbit Pharma, Ranbaxy, Vimta Labs,

1 8848

what is the peak purity concept?

Graviti Pharmaceuticals, Vimta Labs,

5 28687

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Un-Answered Questions { Analytical Chemistry }

What is third generation HPLC Columns?

1954

UV and PDA detector, which have less signal to noise ratio?

1105

What is column in chromatography?

2199

What is the principle of HPLC, GC, LCMS, GCMS,LC QQQ, GC QQQ, LC Q TOF and GC Q TOF. What are the applications and Specificity?

8835

How to decide assay range for non pharmacopeial API analysis by HPLC? Could you give me any reference for same e.g Guidelines or Paper publications?

3326

How to do regeneration of Metacarb Pb plus column?

2540

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

1876

Tell me something about Vitamin A test method by HPLC

2642

mahagenco syllabus for the post of chemist

6443

how many types of balance calibration test?

2275

in hplc chromatogram started from left to right and in uv spectrum started from left to right

908

how to selecet an exact coloumn for an new molecule development by hplc how to select exact salt as buffer for new molecule development by hplc what is the the process to select the mode of saparation of compoundes by hplc what is the use of ph of buffer what is use of buffer,ph,organic phase,ans methods how the molecules get saparated in coloumn,

2549

How much is the standard area for glc analysis

2240

2284

4. Describe the operation of the Craig apparatus. Chapter.3 Equilibrium Processes in Separations

2680

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