Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

why phepolphthalene giving pink color when we titrate against to NaOH Solution ,giving colrless titrating aginsiting with acids?

Graviti Pharmaceuticals, Vimta Labs,

2 4510

why ph electrode is storing in KCL solution?Why the pH max is 14.0?

Cadila, Vimta Labs,

5 17933

Why Na lamp is used in polarimeter?

Vimta Labs,

5 14198

why is salt andv ice used in liquifyiny SO2

Graviti Pharmaceuticals,

1 4058

What is pooled sample in Dissolution

Graviti Pharmaceuticals, Lupin,

2 20860

cefoperozone and sulbactam inj. hplc test method

Graviti Pharmaceuticals,

2075

how peak can be sharp in hplc when it is come flat

Graviti Pharmaceuticals,

6 17639

what is Fourier Transform

Graviti Pharmaceuticals, GVK,

3 8293

What is descriminatory disolution medium ?

Cipla, Graviti Pharmaceuticals,

3 8992

what is the difference between loss on drying in ordinary oven technique and vacuum oven technique

Divis Laboratories, Ranbaxy,

4 13959

what is the difference between the Purity and Potency of drug substance

Divis Laboratories, Graviti Pharmaceuticals,

1 10591

what is the difference between LOSS ON DRYING IN ORDINARY OVEN TECHNIQUE AND VACUUM OVEN TECHNIQUE

6 23750

why we are using only lead standard solution for Heavy metals test? what is the purpose of this?

Divis Laboratories,

4 12411

what is the difference between the ordinary loss on drying technique and vacuum oven technique?

Divis Laboratories,

1 7924

what is the difference between gc& hplc. why we r not calculating purity by gc for final products

Biocon, Cipla,

5 15414


Post New Analytical Chemistry Questions

Un-Answered Questions { Analytical Chemistry }

IS THERE ANY EQUIPMENT TO CHECK AND CALCULATE THE POLARITY OF A LIQUID?

1946


all types of questions asked at the cipla interview

4105


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

1739


How do we fix the sample concentaryion in hplc method development?

624


in DMF having extra impurities and in api COA also having extra imp than USP or BP product then how require to proceed?

292






Difference between hlaf and rlaf

1608


Which are the diffrent grades of api in pharma?

266


why multimedia dissolution require to do?

274


why we use Dichlorobenzene.nitrobezine.t-butyldi sulhate.for calibration of gc Head space

1741


Identify problem faced when mass spectroscopy is used with HPLC system ?

1347


What is the requirement for brazil in the analytical method vslidation comparr to ich?

228


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

1706


what is procedure of actual procedure for registration of drug?

1412


What is gelatinization?

1132


What are the primary considerations in extractables and Leachables ?

1741