Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

what are peak purity,peak purity index,peak thresold

2 17266

1)why use benzophenon,uracil in hplc calibration. 2)why use sucrose in polarimeter calibration. 3)what is S/N ratio, noise and drift in hplc 4)how we can find lod and loq in method validation

1 14190

What is (Q) point dissolution?

Cipla, Macleods,

6 25244

Why we are using K2Cr2O7 for control of absorbance in UV?

2 12768

1 why polyesterene film used for ftir calibration ? 2 why k2cr2o7 is used for control of abs in uv ? 3 why holmium oxide used for control of wavelength in uv

3 12096

what is the principal of malvern particle sizer & its used in pharma industry

3 8290

what is the difference between system precision and method precision?

Teva Pharmaceuticals,

3 35355

In lcms analysis some times we get sodium and potassium adducts. if the compound is havine sodium ions how can we confirm wether sodium is from sample or it is a adduct?

Teva Pharmaceuticals,

2 6923

what is difference between moisture contents and water contents ?

Cipla, Hetero, USM,

12 56972

In GC, What does 'Column condensation test' mean by?

Reddy Labs,

2 10580

same sample on two preapration gives differnt result during hplc analysis

3 7568

what is titrent,& titrate

Graviti Pharmaceuticals,

2 12982

Why we are using a Kf Factor range 4 to 6

7 58218

What is difference between Chromatographic purity and Related substances analysis?

3 22575

Why we are using the methanol in Kf titration?

Reddy Labs,

6 20327


Post New Analytical Chemistry Questions

Un-Answered Questions { Analytical Chemistry }

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

2336


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

2108


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

2263


in which situation require to take incident in validation?

1070


What are usp limits for theoritical plats,resoution,tailing factor,peak to valley ratio

1500






before starting analytical method valodation what you checking? and how giving preference to start validation?

495


what are risk assement in the analytical qbd?

397


what is diffrence between specificity and selecivity?

441


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

2329


why does used dry caffien in HPLC calibration?

1702


Why dissolution test is not performed in all of the products

2182


how require to set assay concentration for standard and sample?

553


HI,I CLEARED BOB CLERK EXAM. MY INTERVIEW WILL BE ON 9TH OCTOBER,2010.PLEASE SEND ME INTERVIEW QUESTIONS AND ANSWERS. THANK YOU.

1869


Difference between the quantitative analysis and qualitative analysis?

770


if tech transfer fails whay require to do?

454