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Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

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

4499

why should we perform dissolution PVT calibration only by UV spectrometer, not by HPLC ?

1647

Qc interview questions

Apotex,

1696

What is difference between" LOD" AND "VACCUME LOD"

2 4626

why are measure gas flow " ml " in Gas chromatography

1602

Difference between standard operating procedure and standard test procedures in pharmaceutical industry

2 9830

How to start the dissolution development for unknown tab?

IPCA,

1620

what is DIPE limit in residual solvent?

1 3199

What is control room temperature and which guide line says?

1582

What is the pH of water?

Zydus Cadila,

1 3533

Why we use buffers Acetate for pH 4.5 & phosphate for 6.8 and not vice-versa?

Zydus Cadila,

1 3178

We use hicrome 10 cxs column in hplc analysis....pls tell me.. what is the meaning of 10 cxs?

1684

Dear sir, This is R.Kadambavadani working in a pharma industry. while doing RS analysis of ibuprofen API, unknown peak eluting some times in the 0.6 Min RT. Kindly send me what is the exact reason behind that. also am using ACN the mobile phase.

1 2476

What is difference between chemical Assay and Hplc assay?

Lee Pharma,

2 5118

Near infrared Principle

1 2593


Post New Analytical Chemistry Questions

Un-Answered Questions { Analytical Chemistry }

How they found 1mL of K.F reagent is equivalent to 5mg of water and if we change the composition of K.F reagent, is it can neutralize more amount of water?

1724


in dissolution if one bowl got 70 percent 2nd bowl got 80 percent and 3rd bowl got 90 percent then how proceed?

718


[3/30, 13:29] Manoj P Venkatpurwar: How hplc column selection according to structure? How mobile phase buffer selection on molecule structure?

711


what you do when compound having dwel wavelength?

708


identification is for unknown? qualification for known? reporting for LOQ?

677


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

2903


How to determine the EDTA content by potentiometry titration in Ceftriaxine sodium

2492


how will you do the prep for unstable componds?

1976


in monograph 7 imp are there but in vendor showing 5 imp do not req to include 2 imp for that what will be justification?

669


How doing qbd practically?

920


Which are the diffrent grades of api in pharma?

702


what is the origin to prepare standard operating procedure

2255


what is the principle involved in turbidometry and nephelometry ?

4113


using gradient pressure in gas chromatography are not ?using gradient pressure why

3335


why multimedia dissolution require to do?

734