When recording an IR spectrum in the lab, we take no special precautions to account for the presence of oxygen, nitrogen, or argon in the air. What are the consequences of this?



When recording an IR spectrum in the lab, we take no special precautions to account for the presence..

Answer / b.gangatharan

Argon gas consists of individual atoms which can not undergo molecular vibration .So argon is IR inactive.oxygen & Nitrogen is having dipole moment zero during vibration.so Oxygen&Nitrogen is IR inactive.hence it is not necessary to consider this gases during IR analysis.
Thanks,
B.Gangatharan,
Caplin Point,
Puducherry.

Is This Answer Correct ?    2 Yes 0 No

Post New Answer

More Analytical Chemistry Interview Questions

why urasil use in hplc column perfomance?

1 Answers   Bayer,


What is the difference between Chromatograhic Purity And Related substances

11 Answers   Cipla,


In UV calibration we use Holmium perchlorate solution made in 1.4M perchloric acid The question is that 1.4 M perchloric acid we make is it in water or glacial acetic acid?

4 Answers  


Difference between related substances & impurities

2 Answers   Biocon,


why we need to do karl ficher fector ?

2 Answers   Reliance,






How will you separate Colorless compound Using Column Chromatography?

4 Answers   Delhi University, VPHS,


what is the effect of injection volume calculate flow rate in perkin elmer headspace? (ccm parameter in HS)

1 Answers  


in uv visible spectroscopy calibration why we are using potasium dichromate and tolune

4 Answers   Reddy Labs,


What is stray light in uv what are units for stray light

0 Answers   Dr Reddys,


why 1.2%kcl solution is using in limit os straylight?and why this test used for uv calibration?

1 Answers   Graviti Pharmaceuticals, Reddy Labs, Vimta Labs,


Why we are having specification 100% above in case of assay as there is only 100% of compound?

2 Answers   MSN Pharma, Nectar Lifesciences,


Why 1800 ml of dissolution media used In Carbamazepine ER USP Tablets But other drug only 900 ml Media Used ?

1 Answers   Torrent Pharma,


Categories
  • Organic Chemistry Interview Questions Organic Chemistry (342)
  • Inorganic Chemistry Interview Questions Inorganic Chemistry (123)
  • Analytical Chemistry Interview Questions Analytical Chemistry (1387)
  • Physical Chemistry Interview Questions Physical Chemistry (62)
  • General Chemistry Interview Questions General Chemistry (478)
  • Chemistry AllOther Interview Questions Chemistry AllOther (190)