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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 9794

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

2544

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

CMET,

2728

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

Piramal Healthcare,

5 15313

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

Reddy Labs,

3 10536

why we use kbr as constant in the FTIR ?

4 10934

how much wave length of Soduim vapour lamp used in polarimeter

Reddy Labs, Torrent Pharma,

2 10731

what is the principle involved in turbidometry and nephelometry ?

Graviti Pharmaceuticals,

4158

What is basic difference between method validation,process validation

Atul,

1 9442

why sucrose used in polarimeter calibration?

Reddy Labs, Sugar Factory,

2 11911

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 22193

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

Reddy Labs, Torrent Pharma,

5 14540

define polar and non polar solvent

2 13143

Why we use 100 RPM in friability test

IPCA,

1 8072

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

Alembic,

3485


Post New Analytical Chemistry Questions

Un-Answered Questions { Analytical Chemistry }

if your product is soluble in 0.1n hcl and water then which you choose as media from these 2 media?

678


why we are using benzene, anyline in acetic anhdride assay titration method?

2114


How can the GC or HPLC method is selected to determine the impurity profile in drug product?

7596


which are the diffrent batches in the pharmaceuticals?

818


What is column in chromatography?

2235


what is classification of elemental impurities? what is risk assement in elemental impurities?

758


please explian me about area normalisation method,diluted standard method,impurity vs impurity and which one has to be selected in method development

1627


can i use hplc detector to uplc and why?

2289


What is the accrptance criteria in RSD for RS method precision on basis of impurity percentages?

825


why are measure gas flow " ml " in Gas chromatography

1660


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

725


how to develop the icp ms method? Application of icp ms?

809


In which situation we require to analytical method validation of excipient?

787


how require to select dissolution media? what is discrimination?

789


iam usig ph buffers merk. manually how to prepare ?

2276