Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

what is diffrence between shelf life and expiry date?

1 922

how you start RS method development when for new product?

281

how you establish the LOQ?

300

in which situation require to use paddle and basket?

280

what is mean by dissolution hydrodynamics?

342

column washing procedure for normal phase and reverse phase?

1 820

how to convert normal phase hplc to reverse phase and vice versa?

1 1743

if your impurity coeluting with each other in that situation how require to set specification? is it acceptable?

363

what is mean by extactable and leachable study?

559

how to calculate elemental impurities?

534

how you fix the limits of impurities?

370

what is mean by nitrosamine impurities?

536

if instrument calibration fails then what require to do?

460

why require the ph, buffer during hplc mobile phase?

401

is it nessesary to do solution stability for 7 days?

312


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Un-Answered Questions { Analytical Chemistry }

In IR spectra, generally a molecule vibrates without apply emr or ir light?

1431


What is the calibration of uv process and preparation

1494


in which situation require to use paddle and basket?

280


Which parameters require to do in tech transfer?

266


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

5286






If suppose 10 methods of dissolution given in pharmacopoeial for single content product then which method out of 10? or all 10 require to follow?

524


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

2094


How to set analyticl specification for combination products?

297


What is the formula for relative diffrence for standard solution in solution stability in validation?

300


what is mean by extactable and leachable study?

559


how can give the expiry period and restadardisation of volumetric solution

2047


Did anybody have method for acetyl cysteine effervescnce tablet

1806


can we use the same detector in HPLC as well GC and what could be the differences we can find in the final chromato graph in any aspects?

1701


What is third generation HPLC Columns?

1503


Loss of linearity in tkn analysis, possible reasons?

796