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Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

what is rs test why we are perfoming rs test

2 8785

In GC calibration,what is the procedure to calibrate the TCD (thermal counductivity detector)suggest ?

Orchid,

2547

What is difference between silica used in TLC and HPLC column

Cipla, Meghmani Organics,

4 17007

Why Urasil and Caffeine use for HPLC wavelength accuracy calibration. which is most suitable, Why? other than these which can be used?

Cipla,

7 15783

When we r doing processing method for sst in Empower software by HPLC, What value has to give in void volume and as per which pharmacopia!

Micro Labs, Mylan,

5 12504

what is use of acetonitrile compare to methanol in RP-HPLC Method devlopment

Neuland, Orchid,

7 20977

is a bonded water molecule in an organic material can be easlisy and accuractly determined by KF rather than LOD

2 6133

How to know HPLC column performance?

Meghmani Organics,

4 11050

What is heavy water

Meghmani Organics,

3 7246

What will be the effect on HPLC analysis result if three mobile phases given separately through three valves and same proportion mixed together and given by one valve?

LOIL,

1 4085

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

2195

Why PH range from 0to14.

College School Exams Tests, Reddy Labs, Wings Customer Care,

2 12639

why you are using benzoic acid for water content determination in TEA

2 6415

difference between instrumenent and equipment

6 11339

mixed 1.0 ml of methanol and 1.0 ml of toluene and injected in gas chromatography.will you prove that both solvents are in the ratio 1:1(not by area normalization)

1 2569


Post New Analytical Chemistry Questions

Un-Answered Questions { Analytical Chemistry }

What is diffrence between extractable volume and deliverable volume? Answer pls

3410


CAN WE DETERMINE THE PEAK PURITY IN GAS CHROMATOGRAPHY ANALYSIS?

497


Which is the highly polar and highly non polar column in HPLC?

1558


How do we fix the sample concentaryion in hplc method development. What is the basis?

507


Loss of linearity in tkn analysis, possible reasons?

608






what is the purge flow & how to calculate

1804


what is the principle involved in turbidometry and nephelometry ?

3408


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

1709


for heavy metal test lead used in which form pure form or any other form for preparation of lead standard sol

4928


How they found 1mL of K.F reagent is equivalent to 5mg of water and if we change the composition of K.F reagent, is it can neutralize more amount of water?

1044


[3/30, 13:29] Manoj P Venkatpurwar: How hplc column selection according to structure? How mobile phase buffer selection on molecule structure?

106


Why are use silicon oil mr?

507


What is control room temperature and which guide line says?

967


using gradient pressure in gas chromatography are not ?using gradient pressure why

2781


What is similarity factor and its use in api strength?

559