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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 9010

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

 2029

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

CMET,

2182

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

Piramal Healthcare,

5 13349

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

Reddy Labs,

3 9170

why we use kbr as constant in the FTIR ?

 4 9224

how much wave length of Soduim vapour lamp used in polarimeter

Reddy Labs, Torrent Pharma,

2 9771

what is the principle involved in turbidometry and nephelometry ?

Graviti Pharmaceuticals,

3680

What is basic difference between method validation,process validation

Atul,

1 8632

why sucrose used in polarimeter calibration?

Reddy Labs, Sugar Factory,

2 10974

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 20786

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

Reddy Labs, Torrent Pharma,

5 12881

define polar and non polar solvent

2 12143

Why we use 100 RPM in friability test

IPCA,

1 7186

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

Alembic,

2997

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Un-Answered Questions { Analytical Chemistry }

all types of questions asked at the cipla interview

4163

What is the difference between Discriminating media and DPDM(Dissolution Profile with Different Media)

6988

how we can identify the impurity is coming below loq at transfering site?

421

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

4022

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

2029




what is third integration

1539

what is %labelled amount in content uniformity of dosage unit and its calculation?

4673

why octanol used to determine the partition coefficient ?

1957

What is the difference between chromatographic purity and related substances?

838

What is the requirement for brazil in the analytical method vslidation comparr to ich?

300

How to decide assay range for non pharmacopeial API analysis by HPLC? Could you give me any reference for same e.g Guidelines or Paper publications?

2894

WHY pKa value is more important than pH value of the mobile phase in HPLC?

1299

how to set sample and standard concentration in RS method?

407

if peak get problamatic then what require to do?

362

in sampling of raw material which side is pasted sampled labels

1282

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