Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

what is diffrence between Specific optical rotation, optical rotation?

3 9052

Why only lead standard solution is uesd to perform heavy metal test.

Reddy Labs,

2 3581

What is the lab normality??

DRL, Tagros,

3 7687




what is the d/f b/w normality and molarity and molality..?

1 7028

What is column dead volume?

Astron Research,

4 8966

what is the conductivity of hplc grade water?

4 11788

what is SOP?How can prepare?

Reddy Labs,

1 4945

What is Impuriteis?

Zydus Cadila,

4 9003




What is Log p?

Laurus,

1 2463

what is turbidimetric titration?Give 2 examples.

Laurus,

1126

What are the tests used in Hplc?Name any two.

Laurus,

4 5691

The colour presence in kmno4 is due to.

Laurus,

1 7435

what is the difference between isocratic & elution technique?

Laurus,

3 8031

key components in hplc?

Laurus,

3 7223

key components in gas chromotagraphy.

Laurus,

1 5108


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Un-Answered Questions { Analytical Chemistry }

cefoperozone and sulbactam inj. hplc test method

1298


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

333


How we performed the force degradation for drug substance, is any specific guideline is available for each parameter(Acidic, basic, oxidation,heat)? what conditions you mentained for above parameters.

1051


How can we confirm the HPLC column is end-capped or not? Is it possible to identify by physical appearance?

1873


How can I develope method of dissolution by HPLC OR UV

996






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

747


What is the acceptance criteria for moisture balance when calibrated with sodium sulfate

723


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

1036


How do we get end points and how many end points are possible for citric acid and di-acid not theorotically answer should be given practically.

1232


What is AV value in test uniformity content ,describe calculation

219


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

979


how you determine moist.of NaOH sol or NaOH flacks

1061


What is aggregate and fragments in SEC?

677


explain 5 components of gas chromatography ?

698


some product having water content method with pyridine and ethylene glycol mixture instead of methanol? how they are selecting and methanol is not suitable solvent how ?

1181