Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

about analytical chemistry

Apotex,

744

What is differences between normality and molarity.in which cases both are used?

GVK,

1 4519

in gas chromatography what is the difference between gas flow rate and average linear velocity ?

USV,

1011




what are the ideal conditions for coloumn storage

Srikem Laboratories, Claris Lifesciences,

2 3706

i want to know about headspace and interview question on headspace

Srikem Laboratories,

1 3060

class of solvent regarding Residual solvent e.g. Acetone his class

1 2020

why we multiply 1000 in the determination of kf factor ?

Stellence Pharm Science,

3 4646

why we measure PH of a solution in PH only why not POH ?

Stellence Pharm Science,

1 2318




In Dissolution Test why limit is define Q+5% what is the role of +5%.

1468

Through assay by hplc(anhydrous basis) product got 100.8% .How much the potency of that product.Moisture content is 1.7%,Sulfated ash is 0.02%,Total impurities are 0.3%

2 3532

Why pyrene is also use for calibration if detector

Cipla, Dr Reddys,

1 2108

what is difference in ods I ods II is this is realy from sorbent / packing characteristics or from other means

Sandoz,

700

In gas chromatographic analysis sometimes we use headspace, why it is required instead of manually injection?

1 2567

How to fix the sample concentration in related substances development.

Novartis, Watson Pharmaceuticals,

3 4817

Who discovered X-ray

Huntsman Corporation,

2 2519


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Un-Answered Questions { Analytical Chemistry }

what is the origin to prepare standard operating procedure

964


what is the difference between potentiometric titration and karl fischer titration?

1112


Tell me about analytical method validation in QC

1904


What is gelatinization?

389


What is method validation in quality control

2403






What is the difference between purge septum flow and column flow in gas chromatography?

783


Why to use propyl paraben in HPLC gradient calibration

563


Why sometime potassium ortho phosphate mix with acetone use for sample preparation for hplc

255


How to determine water content of bis tetrazole amine mono ammonium salt

1938


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

1421


Why potassium dichromate was using in Uv calibration?

444


EXPLAIN THE CALCULATION PART OF AN KF TITRATOR CALIBRATION WITH SUITABLE EXAMPLE

1325


How to start the dissolution development for unknown tab?

306


how to calculate corelation coefficient in G.C Calibration? what is the calculation part?

979


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

1097