1. Categories >> Sciences >> Chemistry
  2. Suggest New Category


Chemistry Interview Questions
Questions Answers Views Company eMail

what is the principle of UV Vis spectroscopy, AAS, ICP OES,ICPAES, ICP-MS and FTIR

Perkin Elmer,

8445

What is the principle of HPLC, GC, LCMS, GCMS,LC QQQ, GC QQQ, LC Q TOF and GC Q TOF. What are the applications and Specificity?

 8313

What is the difference between Spectroscopy and spectrophotometry,What are the applications?

Caplin Point, Cipla,

4 10415

What is difference b/t uv detector and rid

 5 9307

i set electrode to 7 buffer than i used it to check 4 buffer and 10 buffer if the results are not as expected than is it better to set the buffer again to 4 buffer or is there any other method available please let me know ...

Glochem,

2 6161

can you separate isomers by using column chromatography?

 2 6473

How much is the standard area for glc analysis

 1749

function of detecter in hplc ,gc and spectroscopy? function of carrier gas in gc?

DRL,

2070

what type of compounds do we see lod @ wat type compounds do we see m.c

Orchid,

3 8306

How can the GC or HPLC method is selected to determine the impurity profile in drug product?

Ajanta,

1 6865

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

Cipla, Rampex Labs,

3599

What the difference in loss on drying and residue on ignition

 2 32897

Why irmoisture balance is used for corrugated box moisture testing

Leiutis, Lupin,

1929

why we are used 4,7,9,2 buffers for the ph calibration

Aurobindo, Enaltec Labs,

4 18141

In case of HPLC coloums what is the difference Between C8 & C18 coloums & how can we select difference type of coloums like Inertial ODS , Hypersil BDS , ODS etc.?

MSN Pharma,

4 31768

Un-Answered Questions { Chemistry }

What is ciprofloxacin hcl?

622

Why we use potassium dichromate in uv calibration Exact reason behind it??

658

What is use of acetonitrile compare to methanol in RP-HPLC Method development?

1529

What are the primary considerations in extractables and Leachables ?

1788

what is the purge flow & how to calculate

1983




What is pka of acid?

779

Atactic polypropylene is always produced with the [cp2zr(r)]+ catalyst. Explain this on the basis of molecular-level interactions. : Polymer Chemistry

574



1819

What are the types of insulators?

595

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

2892

How do we quantify crystaline and amarpous forms by using (NMR, XRD)spectroscopic techniques? Which any others instruments are useful for this quantification? explain

1954

can we Consider the Purity threshold and Purity angle in place of peak purity for the specificity test for method verification

1318

In performance Check of GC Why Hexadecane Peak is Considered 

2554

can i use hplc detector to uplc and why?

1815

Which one of the following is not aromatic?

959

For More Un-Answered { Chemistry } Questions Click Here