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Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

why sre you used Potassium hydrogen phthalate in standarisation of 1N NaOH and 0.1 N Perchloric Acid?

Cipla, Elder, Vamsi Labs,

1 8894

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

 1974

Why only Copper standard is used to calibrate Atomic Absorption spectrophotometer?

CMET,

2128

why are not used methonol in kf titrator to find out water content in ketones?

Piramal Healthcare,

5 13078

Why are EDTA used to etimation of Ca,Mg etc, in Water analysis?

Reddy Labs,

3 9029

why we use kbr as constant in the FTIR ?

 4 9037

how much wave length of Soduim vapour lamp used in polarimeter

Reddy Labs, Torrent Pharma,

2 9634

what is the principle involved in turbidometry and nephelometry ?

Graviti Pharmaceuticals,

3626

What is basic difference between method validation,process validation

Atul,

1 8552

why sucrose used in polarimeter calibration?

Reddy Labs, Sugar Factory,

2 10858

why we are using 6 dosage units in dissolution, and why we are using 6 tablets in disintegation test.is there any scientific reason beyond 6?

ABC, Alembic, IPCA,

1 20651

IN DISSOLUTION WE ARE USING A LETTER 'Q' WHAT IS MENT BY Q

Reddy Labs, Torrent Pharma,

5 12705

define polar and non polar solvent

2 12015

Why we use 100 RPM in friability test

IPCA,

1 7075

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

Alembic,

2948

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Un-Answered Questions { Analytical Chemistry }

how to set sample and standard concentration in RS method?

354

In the HPLC Calibration done wavelength accuracy done between 200nm-280nm .but not done remaining 300-400nm not done ?

451

If vendor having more imp than monograph then how to proceed? and how to set spec?

329

What is rs test why we are performing rs test?

1295

Identify problem faced when mass spectroscopy is used with HPLC system ?

1371




what is the origin to prepare standard operating procedure

1776

What is the use of tlc and hplc? And when and where use?

655

In rs method development when we are going area normalization method to dilute standard method?

933

What is Band broading effect explain

1387

Why only Copper standard is used to calibrate Atomic Absorption spectrophotometer?

2128

What are usp limits for theoritical plats,resoution,tailing factor,peak to valley ratio

1330

what is turbidimetric titration?Give 2 examples.

1979

i want model written test paper for the post of analyst in IOCL(indian oil corporation ltd) any one pls help me

2179

What is similarity factor and its use in api strength?

781

in which situation ion pair agent require to use?

265

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