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Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

Please do not join if u got offer in oncotherapies ltd (STRIDESARCOLAB)especially Mr.Mahesh Bhatt team because job is not secure his team and doesn't have confidence on him becareful this offer?

Strides Arcolab,

1 3787

In partical size by malven,which parameter is generlly change for development of dry and wet method.

1 2153

As per ICH related substances stability trend limit from initial to shelf life

Medley Pharmaceuticals, Micro Labs,

2476

what is the difference between EP and BP

Novartis, Vimta Labs,

2 18165

which detector is used in IR

Hetero,

3 13021

why hexadecane is used in calibration of FID IN GC THERE IS NO REMAINING SOLVENTS

DRL, Hetero, MSN,

1 6573

WHY POTASSIUM HYDROGEN PTHALATE IS USED FOR PERCHLORIC ACID? What is difference btw UV detector & RID detector? what is dissolution? What is unit of KF? what is the significant of pH in HPlc?

1 8756

what is dissolution What is unit of KF? what is the significant of pH in HPlc? WHY POTASSIUM HYDROGEN PTHALATE IS USED FOR PERCHLORIC ACID? What is difference btw UV detector & RID detector?

1 6956

I have compare C2H2-air and C2H2-N2O flame AAS on determination calcium. Both use same range of std to plot calibration curve. (2-6ppm) When i measure the sample with phosphate, KCl and LaCl, C2H2-N2O flame give false positive result, around 0.5ppm. When i measure the sample with phosphste, KCl and EDTA. C2H2-N2O flame also give 0.5ppm false positive. But both above mentioned sample would not give false positive when measured by C2H2-air flame. What is the reason?

2728

Hplc detect how much ppm solutions i want range

4 9259

If we change lenght of ph eletrode wire then it will affect on ph ?

2 6528

In kf constant term 16 what it is explain ?

2 7147

Why dissolution apparatus having 8 jars ?

5 13568

What is the unit of Colour?

IPCA,

4 8896

who is the father of HPLC?

Cipla, IPCA,

6 18146


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Un-Answered Questions { Analytical Chemistry }

which are the diffrent batches in the pharmaceuticals?

136




1631


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

1845


Why sometime potassium ortho phosphate mix with acetone use for sample preparation for hplc

807


What is the use of tlc and hplc? And when and where use?

496






What is control room temperature and which guide line says?

963


which situation gc hs and gc als require to use?

103


how a particular wavelength can be different for a particular compund while analysing by uv and by HPLC.

1663


what is impurity profile. how to interpret this impurity profile to a drug product or drug substance.

1938


Which products will produce when acetic anhydride reacts with Ter-butanol, Sec-butanol, Iso butanol, Dimethylamine etc.

2194


What is the difference between Discriminating media and DPDM(Dissolution Profile with Different Media)

6531


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

1709


can we use the same detector in HPLC as well GC and what could be the differences we can find in the final chromato graph in any aspects?

1547


1)What's the meaning of Absorption,give a example. 2)What's the meaning of Adsorption,give a example. 2)what is the difference between Absorption and Adsorption.

2164


what parameters we will consider while developing a HPLC method and how we confirm our HPLC method is valid?

2859