Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

what is the defination of calibration & verification?

Divis Laboratories,

9 23420

what is specificity?

Amneal Pharmaceuticals, Aurobindo,

4 10154

why we use only vanilline , acetanilide,& caffeine For the Calibration of melting point appartus?

Reddy Labs,

7 24132

who is the father modern liqiud chromatogrphy?

Cipla, Amneal Pharmaceuticals, Car Chem,

3 10529

what is the meaning of ventillation in HPLC?

Amneal Pharmaceuticals,

3 10787

which solvent is highest poler acetonitrile dimethyl formamide methanole tetrahydrofurane buffer solution

8 10611

what is the difference betwen the analytical column & peparative column?

4 11478

why we conclude the area% for the chromatographic purity?

Lupin, Amneal Pharmaceuticals,

1 5771

what is the general mechanism of high performance liqiud chromatography?

Amneal Pharmaceuticals, Ajanta Pharma,

7 13743

why 2Theta value is consider in the XRPD spectra and how to consider the 2 Theta value

2 6292

why we wre doing linearity siudiec in hplc method validation

Cipla,

3 19937

what does optical rotation and specific rotataion means,difference between them

Neuland, CPL,

8 28059

what is regration method in method validation , how we can calculate it.

Sun Pharma, Cipla,

3 9053

viod volume and dead time

Oxygen Healthcare,

7 15772

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

1640


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Un-Answered Questions { Analytical Chemistry }

what is the structure of DOWEX-50

4191


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

1449


What is similarity factor?

101


what is the purge flow & how to calculate

1446


why we are using benzene, anyline in acetic anhdride assay titration method?

1062






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

1150


WHICH STANDARD WE USE IN SILICA ANALYSIS IN SILICA-GEL METHOD FOR SOLID SAMPLE

1104


How to fix the sample conc. in Related substances test by HPLC?

51


what is the extinction coefficient for Indomethacin or at 319nm wave length.

2848


why octanol used to determine the partition coefficient ?

1265


mode of absorption in alimentary canal?

1400


How to calibration of the uv spectroscopy and its test?

101


how can I make the copper get white bye any salt or acit?

1207


How you develop a method in HPLC?

1539


What is the exact reason to use THF and IPA in buffers of Reverse phase HPLC as a solvent?

2919