Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

what is classification of elemental impurities? what is risk assement in elemental impurities?

344

what are risk assement in the analytical qbd?

289

why multimedia dissolution require to do?

310

in OSD forms require to use gas chromatography?

335

why require to do water content for drug product?

319

before starting analytical method valodation what you checking? and how giving preference to start validation?

351

in which situation ion pair agent require to use?

273

effect of pore size, pore volume, partical size, column length, carbon load on retention time? what is carbon load? what is the use?

330

if you given one product then which tests you will perform?

323

on the basis of bcs class how to proceed the solubility?

285

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

321

how require to select dissolution media? what is discrimination?

315

if rsd failed then what require to do?

326

if peak get problamatic then what require to do?

319

how you confirm the assay method?

290


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Un-Answered Questions { Analytical Chemistry }

mahagenco syllabus for the post of chemist

5744


In HPLC calibration, caffeine is used as primary standard for wave length calibration due to caffeine is having dual maxima at 273 & 205 nm and one minima at 245 nm. Any body can give reference of these details from any pharmacopeia (with chapter no.) or any other authentic guideline?

1457


in api coa contains only process impurities and in product coa contains degradation impurities?

324


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

1727


We use Potassium Dichromate solution for the calibration of UV-Visible Spectrophotometer in UV region. My question is to calibrate visible region which solution could be used in photometric accuracy

1322






in DMF having extra impurities and in api COA also having extra imp than USP or BP product then how require to proceed?

348


how require to select dissolution media? what is discrimination?

315


WHAT IS THE PARAMETER FOR THE SELECTION OF MOBILE PHASE IN HPLC?

650


what is the structure of DOWEX-50

4929


in which situation require to take incident in validation?

769


WHAT IS THE PURPOSE WE USE HCL, CHOPPER, BURNER, MONOCHROMATOR in AAS? PLEASE EXPLAIN BRIEFLY

2107


How to do regeneration of Metacarb Pb plus column?

2081


how we can identify the impurity is coming below loq at transfering site?

387


for heavy metal test lead used in which form pure form or any other form for preparation of lead standard sol

5309


Which parameters require to do in tech transfer?

279