Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

What is the difference between drug product and drug substance?

Apotex,

1 623

What is excipient in drug product?

Lupin,

1 514

What is GF254 means in TLC plate?

Abbott,

1 491




What is zero water in TOC Analysis?

Orchid,

1 319

What is the name of the detector used in TOC?

Lupin,

1 535

What is NPOC method in TOC?

Zydus Cadila,

1 412

What is FDA form 482c?

Lupin,

1 588

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

1 541




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

Lupin,

1 568

How does HPLC Calculate Void volume?

Lupin,

1 727

What does theoretical plates number mean?

Zydus Cadila,

1 488

How do you increase the number of theoretical plates?

Cipla,

1 710

Why red HgI2 added during starch preparation?

Aurobindo,

1 493

What is the Formula for coreletion coefficient in plhplc calibration

301

How to calculate coreletion coefficient

316


Post New Analytical Chemistry Questions






Un-Answered Questions { Analytical Chemistry }

what is the principle involved in turbidometry and nephelometry ?

2778


calibrtion procedue of LC-MS

1389


what is the disso medium for tropsiun chloride

1041


What is intact assay method development.....?

1261


from where i get mortar pastle for glass bottle crush? it's required for testing of it?

997






what type of question will ask in the interview of lab chemist.

2240


What is the diference between residual solvents and organic volatile matter

824


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

1321


Tell me about analytical method validation in QC

2560


What is gelatinization?

545


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

1459


what is the limit for KF Factor ,we take factor using water we will found factor between 6 to 7 ,while on KF Reagent bottle mentioned 5 mg/ml water content.if we not use dried methanol it is effect on factor.

842


Why only hydroxy naphthol blue indicator is used for standardisation of 0.05M EDTA solution instead of solochrome Black T or Euriochrome Black T indicator which is used for all sample analysis with 0.05M EDTA solution?

1220


in sampling of raw material which side is pasted sampled labels

341


Ratio of Water and Acetonitrile(diluent) is not recommended to use in cleaning method validation,why?

1784