Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

what is diffrence between Specific optical rotation, optical rotation?

3 8882

Why only lead standard solution is uesd to perform heavy metal test.

Reddy Labs,

2 3437

What is the lab normality??

DRL, Tagros,

3 7561




what is the d/f b/w normality and molarity and molality..?

1 6866

What is column dead volume?

Astron Research,

4 8812

what is the conductivity of hplc grade water?

4 11489

what is SOP?How can prepare?

Reddy Labs,

1 4808

What is Impuriteis?

Zydus Cadila,

4 8814




What is Log p?

Laurus,

1 2348

what is turbidimetric titration?Give 2 examples.

Laurus,

1051

What are the tests used in Hplc?Name any two.

Laurus,

4 5528

The colour presence in kmno4 is due to.

Laurus,

1 7305

what is the difference between isocratic & elution technique?

Laurus,

3 7743

key components in hplc?

Laurus,

3 7107

key components in gas chromotagraphy.

Laurus,

1 5006


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Un-Answered Questions { Analytical Chemistry }

In HPLC Calibration, On which basis RSD Limit of noise test is fixed (NMT 33.0 % )

1964


which one is better separation in high pressure liquide chromatogram orlowpressure chromato gram in hplc

916


How can I develope method of dissolution by HPLC OR UV

954


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

1406


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

162






how to get accurate result for Residue on evaporation in purified water

258


While performing TOC sst analysis Zero shift disabled & sample analysis zero shift enabled why?

962


what is difference between UV - VISIBLE MODEL NO like 1600,1601,1700 etc ? plz explain me

1177


What are usp limits for theoritical plats,resoution,tailing factor,peak to valley ratio

283


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

1914


Why acetonitrile and water are used as extraction solvent when analysis melamine? I thought they are miscible and won't be able to separate...

226


WHAT IS DIFFERENCE B/W MALTINGRANG/DSC

1140


Why irmoisture balance is used for corrugated box moisture testing

1037


why we use a particular hplc column for a particular compound give reasons?please

1491


can i use hplc detector to uplc and why?

925