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?

Vimta Labs, Graviti Pharmaceuticals,

2 2501

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

Cadila, Vimta Labs,

5 13811

Why Na lamp is used in polarimeter?

Vimta Labs,

5 11077




why is salt andv ice used in liquifyiny SO2

Graviti Pharmaceuticals,

1 2865

What is pooled sample in Dissolution

Lupin, Graviti Pharmaceuticals,

2 15478

cefoperozone and sulbactam inj. hplc test method

Graviti Pharmaceuticals,

1266

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

Graviti Pharmaceuticals,

6 13418

what is Fourier Transform

Graviti Pharmaceuticals,

3 6072




What is descriminatory disolution medium ?

Cipla, Graviti Pharmaceuticals,

3 6369

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

Ranbaxy, Divis Laboratories,

4 11129

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

Divis Laboratories, Graviti Pharmaceuticals,

1 8685

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

6 17886

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

Divis Laboratories,

4 9419

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

Divis Laboratories,

1 6199

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

Biocon, Cipla,

5 11954


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Un-Answered Questions { Analytical Chemistry }

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

1421


What is the main difference between ODS1 and ODS2 Hplc column.

1835


Qc interview questions

346


We use Potassium Dichromate solution for the calibration of UV-Visible Spectrophotometer in UV region. My question is to calibrate visible region which solution could be used in photometric accuracy

190


why are measure gas flow " ml " in Gas chromatography

366






Why potassium dichromate is used in calibration of uv?

292


Why dissolution test is not performed in all of the products

1187


What is column in chromatography?

799


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

680


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

1837


from where i get mortar pastle for glass bottle crush? it's required for testing of it?

898


1.What is the difference between method validation and method verification 2.Which guidelines proposed to method transfer

240


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

985


What is the formula to determine the concentration of M of a solution given the % transmittance? Use %T = 43.7 as an example.

1313


about method developement in hplc

388