Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

how to prepare solution in ppb

6 12902

how to prepare low ppm solution from high ppm solution ?

1 7011

wt is difference between assay and purity in hplc?

Hetero, IDRS Labs,

9 67167

difference between AAS & flame photo meter ?

3 28884

how to calibrate AAS ? give me the procedure?

3 11205

why peak purity not considered in GC?

DRL, Reddy Labs, Vimta Labs,

4 11490

from compund pka value how to select buffer and column?

Emcure, Zydus Cadila,

2 6296

what is Beer Lambert low ?


8 10767

principle of AAS & its uses ?


1 2938

how ir specrometer is calibrated ?

1 3822

what is pKa ?

Dr Reddys, Shasun Chemicals,

10 13587

How you can calculate pKa ?

Dr Reddys,

6 12551

what buffer you can select for acidic nature analyte and how ?

Dr Reddys,

2 10254

What is Specificity ?

Dr Reddys,

8 9985

Whya the need of Specificity to do in Analytical Method Validation ?

Dr Reddys,

4 10634

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Un-Answered Questions { Analytical Chemistry }

We use hicrome 10 cxs column in hplc analysis....pls tell me.. what is the meaning of 10 cxs?


Basic principle of ESI?


How can I develope method of dissolution by HPLC OR UV


How to determine the EDTA content by potentiometry titration in Ceftriaxine sodium


what parameters we will consider while developing a HPLC method and how we confirm our HPLC method is valid?


in dissolution why pool sample needed? in which type of drug pool sample need?


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


In the isomers,enantiomers give the only physical properties present such that no chemical properties present.


How can the GC or HPLC method is selected to determine the impurity profile in drug product?


Home heating oil or furnace oil what is made from? Can (base oil plus diesel/kerosen) = home heating oil?


As per ICH related substances stability trend limit from initial to shelf life


why are measure gas flow " ml " in Gas chromatography


calibrtion procedue of LC-MS


Which std. used for standrdisation of ZnSO4?


what is peak purity and its formula