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Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

what is the moisture content of Disodium hydrogen tartrate. how it can be calculted. as 16.5%

1 9258

In Karl Fischer titration,What is the situation if the material tested is only soluble in water,and not soluble in the common solvents used such as methanol ?? [e.g. Iron III Hydroxide polymaltose]

1 3602

sop of a uv visible spectrophotometer double beam elico model

Sun Pharma,

5926

why does the result variation in hplc and gc with same sample ?

Matrix,

4 12494

How will you select mobile phase in HPLC Method Development

4 18295

how to regulate noise in hplc ?

2 9849

why results are variation in same samples analysis in gc and hplc ?

2 9367

why base line not start from zoro in GC Chromatograme.

Merck,

1 8681

What is cleaning validation of rinse and swabe and its limit with caculation formula.

5 12293

what is the difference between c-8 and c-18 column

7 24282

why deutiriated chloroform used in NMR for sample prepration. what reaction takes place.give reasons

1 7682

how do u optimise hplc method

1 7794

How to calculate %w/w and %v/v of a component(or solvent)by NMR

ACME, Vimta Labs,

1 9218

How to prepare 10% HCl from 36.5% HCl solution.

Dr Reddys,

5 123460

How to prepare 50 ppm ammonia solution form 25% ammonia solution?

Cadila, IIT,

8 30831


Post New Analytical Chemistry Questions

Un-Answered Questions { Analytical Chemistry }

we can use expired sample for validation and analyst qualification?

812


in api coa contains only process impurities and in product coa contains degradation impurities?

701


In Assy by potentio metry titration method how select MET U ,DET U, SET U,

2172


Which parameter require to do for analytical method equivalency?

782


in which situation require to change rs specification?

749


What is the accrptance criteria in RSD for RS method precision on basis of impurity percentages?

825


what type of question will ask in the interview of lab chemist.

3322


if your product is soluble in 0.1n hcl and water then which you choose as media from these 2 media?

681


how require to fix the linearity and accuracy cincentration range?

1671


Is it nessesary all multimedia dissolution require descriminatory?

797


which batch require to use for analytical method validation?

807


if you get peak in blank then what require to do?

974


How can we calculate "confidence interval" in analytical method validation? Pl. explain with example.

4269


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

2426


why glutent are detected in the rice cereal baby food product even manufacturer claimed that they are using rice and milk only?we have using ELISA to do the test,and rice supposed not containing any glutent,rite?We already repeat the test so many times and it still detected.just wondering where the glutent came from?

2788