Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

how to calibrate hplc & gc

Cipla,

3014

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

Vimta Labs,

1 4212

WHAT IS DIFFERENCE BETWEEN RRT AND RRF IN HPLC

Cadila,

2 37672




what is mean by Q in S1 and S2

Micro Labs,

3 7016

what is the difference between mcg and ppm?

5 18833

WHAT IS THE DIFFERENT BETWEEN PURITY, POTENCY AND ASSAY

Hetero, Glochem,

5 40313

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

1 4835

principle of FTIR

Biocon, Macleods,

2 12331




what is separation techniques.

Glenmark,

1268

what is the difference b/w repeatability nd reproducibility ?

Aptuit Laurus,

1 7126

why using factor 1.00639 in burette calibration of kf

Cipla,

1 5832

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

Sun Pharma,

5515

Why KBr is used in FTIR ?

6 9667

How to study genotoxicity of impurities in API?

NCL,

2 2800

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

Aptuit Laurus,

3 7280


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Un-Answered Questions { Analytical Chemistry }

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

1286


what is weight veriation in pharma industry ? plz explain me

958


what is the disso medium for tropsiun chloride

808


How you develop a method in HPLC?

1189


%lod always grater than %water content for same product??

13






1.What is the difference between method validation and method verification 2.Which guidelines proposed to method transfer

144


how can give the expiry period and restadardisation of volumetric solution

1209


How to choose concentration of LOQ solutions for RS analysis? Example.

660


How to do regeneration of Metacarb Pb plus column?

1181


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.

979


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

169


Why we check moisture,ash & AIA in product

386


pda detector mechanism?

930


Why irmoisture balance is used for corrugated box moisture testing

967


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

624