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Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

solvents used in NMR

Laurus,

2 6275

what does 'n' stands for in spectroscopy?give the formula.

Laurus,

1953

define beer-lambertslaw.

Laurus,

5 11762

difference between precision & accuracy.

Laurus,

1 10369

formula for %RSD.

Laurus,

4 13458

which chromatographic technique is used for softening hard water?

Laurus,

1 6108

Nitrogen test is used for which chromatography?

Laurus,

1 6601

what are the primary standards of redox titrations?Name any two.

Laurus,

2 8204

In the isomers,enantiomers give the only physical properties present such that no chemical properties present.

Laurus,

1765

mode of absorption in alimentary canal?

Sun Pharma,

1915

why we calibrate ph meter and balance daily.....but hplc and uv requires quaterly?

Apotex, UPL,

5 19315

why we are use metthanol variously in kfr?why don't use other solutions?

4 11274

when we use capillary and packed columns in gc

Rakshit Drugs,

4 9034

what is the difference between IR and FTIR instrument analysis

 2 11477

how can give the expiry period and restadardisation of volumetric solution

Meenaxy Pharma, SRF,

2044

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Un-Answered Questions { Analytical Chemistry }

what is difference between UV - VISIBLE MODEL NO like 1600,1601,1700 etc ? plz explain me

2210

for inorganic molecules require to do RS, Assay and disso?

242

in which situation require to change rs specification?

264

give clarity of linearity and range in method validation

1850

What is the diffrence in japan mkt requirement in analytical method validation over US?

281




IS THERE ANY EQUIPMENT TO CHECK AND CALCULATE THE POLARITY OF A LIQUID?

1975

How to choose the which salt is suitable for mobilephase

2637

USP methodology, EP methodology, IP methodology, among three if possible to use one methodology for qualify working standard to use USP, EP, IP ? Please explain...

1547

how a particular wavelength can be different for a particular compund while analysing by uv and by HPLC.

1827

what is diffrence between specificity and selecivity?

295

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

272

What is dose dumping? why require to do?

287

How to know the estimated LOQ concentration in ppm

723

WHAT IS THE PARAMETER FOR THE SELECTION OF MOBILE PHASE IN HPLC?

635

how to select short coloum and long coloumn for new molecule

1809

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