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Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

how to calibrate hplc & gc

Cipla,

4465

Explain in detail what are the procedure and calculations involved for accuracy (%Recovery)in method validation?

Vimta Labs,

1 6597

WHAT IS DIFFERENCE BETWEEN RRT AND RRF IN HPLC

Cadila,

2 50356

what is mean by Q in S1 and S2

Micro Labs,

3 10792

what is the difference between mcg and ppm?

5 31215

WHAT IS THE DIFFERENT BETWEEN PURITY, POTENCY AND ASSAY

Glochem, Hetero,

6 58880

How we can perform Linearity study for validation by HPLC with very low conc of sample

1 7437

principle of FTIR

Biocon, Macleods,

2 18774

what is separation techniques.

Glenmark,

1 3628

what is the difference b/w repeatability nd reproducibility ?

Aptuit Laurus,

1 10107

why using factor 1.00639 in burette calibration of kf

Cipla,

1 8472

what type of questions asked on analytical balance and also give answers................all pharma companies?

Sun Pharma,

1 12600

Why KBr is used in FTIR ?

6 15466

How to study genotoxicity of impurities in API?

NCL,

2 6260

What is the difference between chiral cel OD-H & OD-RH ?

Aptuit Laurus,

3 11724


Post New Analytical Chemistry Questions

Un-Answered Questions { Analytical Chemistry }

How you develop a method in HPLC?

2571


Principle of single pan analytical balance

5094


Why irmoisture balance is used for corrugated box moisture testing

2365


on saturation solubility study data how we can find out the bcs class of drug?

838


how to decide for one product require water content or LOD?

730


how pda detector works over uv?

697


We use Potassium Dichromate solution for the calibration of UV-Visible Spectrophotometer in UV region. My question is to calibrate visible region which solution could be used in photometric accuracy

1842


If change in specification which parameter require to do for validation? if change in chromtographic condition then which parameter? if api change then which parameter? if change composition then which parameter? if old method not work out then whicj parameter? if additional one impurity added then which parameter of validation require to do on above each conditions? elaborate separately

803


could negative ions be produced by bombardment process in mass spectrometry?

1731


How much is the standard area for glc analysis

2218


why we use glass fiber filters use in some situation?

749


what is definition of validation? which components are followed give detail?

2298


what is turbidimetric titration?Give 2 examples.

2587


why sre you used Potassium hydrogen phthalate in standarisation of 1N NaOH and 0.1 N Perchloric Acid?

9706


why require the ph, buffer during hplc mobile phase?

825