Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

what is the defination of calibration & verification?

Divis Laboratories,

9 27019

what is specificity?

Amneal Pharmaceuticals, Aurobindo,

4 12127

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

Reddy Labs,

7 29926

who is the father modern liqiud chromatogrphy?

Amneal Pharmaceuticals, Car Chem, Cipla,

3 12401

what is the meaning of ventillation in HPLC?

Amneal Pharmaceuticals,

3 12612

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

8 13852

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

4 13407

why we conclude the area% for the chromatographic purity?

Amneal Pharmaceuticals, Lupin,

1 7167

what is the general mechanism of high performance liqiud chromatography?

Ajanta Pharma, Amneal Pharmaceuticals,

7 16297

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

2 7457

why we wre doing linearity siudiec in hplc method validation

Cipla,

3 21999

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

CPL, Neuland,

8 31462

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

Cipla, Sun Pharma,

3 11164

viod volume and dead time

Oxygen Healthcare,

7 19066

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

2155


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Un-Answered Questions { Analytical Chemistry }

in which situation ion pair require to use?

254


what is the difference between potentiometric titration and karl fischer titration?

2363


What is importance of pH in the Heavy metal test and How it effect on the test results?

1708


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

299


if you have given a blank water how you analyse by general analytical techniques?

1475






What is the formula for relative diffrence for standard solution in solution stability in validation?

279


How require to develop GC method? how to select diluent, GAS, column selection and other chromatographic conditions?

248


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

1746


WHAT IS THE USE OF STARTER ?????????

1863


mahagenco syllabus for the post of chemist

5707


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

1083


Which type of column should i use to check the purity of high molecular weight protein using HPLC reverse phase column chromatography? Hi everyone. I wanna to check the purity of high molecular weight protein (collagen) with MW of ~130 kDa using a HPLC. I know C18

1425


Why only hydroxy naphthol blue indicator is used for standardisation of 0.05M EDTA solution instead of solochrome Black T or Euriochrome Black T indicator which is used for all sample analysis with 0.05M EDTA solution?

2162


In BP2013, Loperamid HCl monograph. Assay by titration with 0.1N sodium hydroxide using hydrocloric acid 0.01N and reading the volume added between the 2 points of inflexion. I have a question that if the diluent solvent is ethanol is certainly consumed a amount of volume of titrant, so this volume must be eliminated on the result calculation or not apart from first point which is subtracted above.

2568


in dissolution if one bowl got 70 percent 2nd bowl got 80 percent and 3rd bowl got 90 percent then how proceed?

294