Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

solvents used in NMR

Laurus,

2 6293

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

Laurus,

1962

define beer-lambertslaw.

Laurus,

5 11799

difference between precision & accuracy.

Laurus,

1 10383

formula for %RSD.

Laurus,

4 13498

which chromatographic technique is used for softening hard water?

Laurus,

1 6119

Nitrogen test is used for which chromatography?

Laurus,

1 6631

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

Laurus,

2 8219

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

Laurus,

1772

mode of absorption in alimentary canal?

Sun Pharma,

1921

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

Apotex, UPL,

5 19352

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

4 11299

when we use capillary and packed columns in gc

Rakshit Drugs,

4 9069

what is the difference between IR and FTIR instrument analysis

2 11491

how can give the expiry period and restadardisation of volumetric solution

Meenaxy Pharma, SRF,

2047


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Un-Answered Questions { Analytical Chemistry }

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

2468


if peak get problamatic then what require to do?

317


Why to use propyl paraben in HPLC gradient calibration

6090


How to choose the which salt is suitable for mobilephase

2647


Why we check moisture,ash & AIA in product

1401






all types of questions asked at the cipla interview

4135


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

283


in sampling of raw material which side is pasted sampled labels

1247


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

1834


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...

1556


which batch require to use for analytical method validation?

333


How can we calculate offset value pH measurment

1069


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

1982


if you given one product then which tests you will perform?

319


How you develop a method in HPLC?

2077