Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

Is it necessary to inject three replicate for accuracy in AMV.

Amoli Organics,

1 1514

Which is the best mobile phase to separate organic acids using C8 column. And how should the samples be prepared for hplc?

Biocon,

1 2130

What is the acceptance criteria for moisture balance when calibrated with sodium sulfate

678




why 0.1M OR 1M Perchloric acid standardisation done after 24 hours?

Cipla,

1 3474

What about karl fischer reaction mechanism ?

Mylan, Aurobindo,

1 3964

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

536

Why we used in n-butyl acetate water content terminology while in ethyl acetate we used moisture content terminology?

IDA,

540

How to calculation of residual solvent methanol (3000 ppm) standard solution, and how many quantity used of test sample

1023




What attracted you to analytical chemistry?

538

what is the difference b/w water content & moisture content

Dr Reddys,

2 2024

which procedure we follow if 6th month of accelerated sample fail?

Dr Reddys,

1 2050

What is third generation HPLC Columns?

Emcure,

689

what is third integration

Orchid,

688

Why sodium hydroxide used for maintain pH of phosphate buffer

Medicamen Biotech,

910

What is the deference between Residual solvents and OVI

RA Chem Pharma,

1 1158


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Un-Answered Questions { Analytical Chemistry }

what is the difference between potentiometric titration and karl fischer titration?

1056


what is the importance of peak purity in HPLC and how we can calculate through manul(not software)?

3070


EXPLAIN THE CALCULATION PART OF AN KF TITRATOR CALIBRATION WITH SUITABLE EXAMPLE

1311


How can we confirm the HPLC column is end-capped or not? Is it possible to identify by physical appearance?

1821


could negative ions be produced by bombardment process in mass spectrometry?

177






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

2402


Why potassium dichromate was using in Uv calibration?

349


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

3556


what is the origin to prepare standard operating procedure

947


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

1137


can i use hplc detector to uplc and why?

925


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

738


Qc interview questions

326


How we can determine water content in piperazine

874


Why we used in n-butyl acetate water content terminology while in ethyl acetate we used moisture content terminology?

540