Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

how to calibrate hplc & gc

Cipla,

4022

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

Vimta Labs,

1 5910

WHAT IS DIFFERENCE BETWEEN RRT AND RRF IN HPLC

Cadila,

2 48933

what is mean by Q in S1 and S2

Micro Labs,

3 9605

what is the difference between mcg and ppm?

5 28876

WHAT IS THE DIFFERENT BETWEEN PURITY, POTENCY AND ASSAY

Glochem, Hetero,

6 55586

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

1 6775

principle of FTIR

Biocon, Macleods,

2 17350

what is separation techniques.

Glenmark,

1 2819

what is the difference b/w repeatability nd reproducibility ?

Aptuit Laurus,

1 9251

why using factor 1.00639 in burette calibration of kf

Cipla,

1 7751

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

Sun Pharma,

11709

Why KBr is used in FTIR ?

6 13852

How to study genotoxicity of impurities in API?

NCL,

2 5059

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

Aptuit Laurus,

3 10162


Post New Analytical Chemistry Questions

Un-Answered Questions { Analytical Chemistry }

How do we fix the sample concentaryion in hplc method development?

659


[3/28, 20:52] Manoj P Venkatpurwar: how many impurities require to inject in assay specificity that how we can find out? and in Rs also how?

337


if peak get problamatic then what require to do?

309


WHAT IS THE PURPOSE WE USE HCL, CHOPPER, BURNER, MONOCHROMATOR in AAS? PLEASE EXPLAIN BRIEFLY

2090


What is Band broading effect explain

1387






analytical method validation require to with respect to release specification or shelf life specification?

272


What is the Formula for coreletion coefficient in plhplc calibration

1234


1)What's the meaning of Absorption,give a example. 2)What's the meaning of Adsorption,give a example. 2)what is the difference between Absorption and Adsorption.

2417


how to get accurate result for Residue on evaporation in purified water

1111


Why Ethanol is Used for Standardization of GC Head space?

3714


what is impurity profile. how to interpret this impurity profile to a drug product or drug substance.

2187


How to calibration of the uv spectroscopy and its test?

661


acceptance criteria for lod & loq by standard deviation of response and slope??

2081


why we should take dst factor for below 1%moisture samples

2187


how you confirm the assay method?

281