Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

What is the difference between drug product and drug substance?

Apotex,

1 783

What is excipient in drug product?

Lupin,

1 599

What is GF254 means in TLC plate?

Abbott,

1 599




What is zero water in TOC Analysis?

Orchid,

1 369

What is the name of the detector used in TOC?

Lupin,

1 622

What is NPOC method in TOC?

Zydus Cadila,

1 476

What is FDA form 482c?

Lupin,

1 712

What are the class-1 residual solvents listed in ICH guidelines?

2 703




What are the concentration limit for class-1 residual solvents in ICH ?

Lupin,

1 657

How does HPLC Calculate Void volume?

Lupin,

1 844

What does theoretical plates number mean?

Zydus Cadila,

1 585

How do you increase the number of theoretical plates?

Cipla,

1 871

Why red HgI2 added during starch preparation?

Aurobindo,

1 547

What is the Formula for coreletion coefficient in plhplc calibration

365

How to calculate coreletion coefficient

371


Post New Analytical Chemistry Questions






Un-Answered Questions { Analytical Chemistry }

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

1102


WHY given much noise PDA dector then VWD Dector

854


please explain about aluminium hydroxide assay

74


why we are using hexane in calibration of number of drop per mL

389


function of detecter in hplc ,gc and spectroscopy? function of carrier gas in gc?

1360






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

1495


WHAT IS THE CRITERIA FOR SELECTION OF TIME OF DISSOLUTION AND THE MEDIUM OF DISSOLUTION?

1536


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

873


What is aggregate and fragments in SEC?

877


what are the standard methods for HPLC?

1657


How to start the dissolution development for unknown tab?

492


In HPLC Calibration, On which basis RSD Limit of noise test is fixed (NMT 33.0 % )

2183




1221


Which products will produce when acetic anhydride reacts with Ter-butanol, Sec-butanol, Iso butanol, Dimethylamine etc.

1693


cefoperozone and sulbactam inj. hplc test method

1422