Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

what is the defination of calibration & verification?

Divis Laboratories,

9 20454

what is specificity?

Amneal Pharmaceuticals,

4 8427

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

Reddy Labs,

7 19656




who is the father modern liqiud chromatogrphy?

Cipla, Amneal Pharmaceuticals, Car Chem,

3 9052

what is the meaning of ventillation in HPLC?

Amneal Pharmaceuticals,

3 9533

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

8 8779

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

4 10109

why we conclude the area% for the chromatographic purity?

Lupin, Amneal Pharmaceuticals,

1 4383




what is the general mechanism of high performance liqiud chromatography?

Amneal Pharmaceuticals, Ajanta Pharma,

6 12215

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

2 5553

why we wre doing linearity siudiec in hplc method validation

Cipla,

3 16828

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

Neuland, CPL,

8 24598

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

Sun Pharma, Cipla,

3 7677

viod volume and dead time

Oxygen Healthcare,

7 13144

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

1351


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Un-Answered Questions { Analytical Chemistry }

pda detector mechanism?

930


Did anybody have method for acetyl cysteine effervescnce tablet

819


why are measure gas flow " ml " in Gas chromatography

247


all types of questions asked at the cipla interview

3253


cefoperozone and sulbactam inj. hplc test method

1201






How you develop a method in HPLC?

1189


Colorimtry

143


what is third integration

634


Why acetonitrile and water are used as extraction solvent when analysis melamine? I thought they are miscible and won't be able to separate...

134


using gradient pressure in gas chromatography are not ?using gradient pressure why

2048


Why potassium dichromate is used in calibration of uv?

180


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

1079


when we talk about change in entropy we consider total entropy means of surround +entropy of system but when we talk about change in Gibss free energy we consider entropy of system.explain with reason.

711


why lactose has less charges when packed in steel containers when compared with packing of lactose in polyamide material?

884


about method developement in hplc

322