why kbr is used for pellet preparation in ir spectroscopy,
give the reasons? why kbr shows zero dipole moment?

Answers were Sorted based on User's Feedback



why kbr is used for pellet preparation in ir spectroscopy, give the reasons? why kbr shows zero di..

Answer / suresh

In IR spectroscopy for the preparation of pellet we use KBR
Because kBR is ir inactive compound,and it catches moisture
in sample, and it does not give any peaks in ir spectra

Is This Answer Correct ?    15 Yes 1 No

why kbr is used for pellet preparation in ir spectroscopy, give the reasons? why kbr shows zero di..

Answer / falguni patel

Dipole moment change means change in magnitude of +ve and -ve charge between two bonded atoms. To alter the dipol moment stretching or bending vibration is necessary. There is no these types of vibration is found.

Is This Answer Correct ?    4 Yes 0 No

why kbr is used for pellet preparation in ir spectroscopy, give the reasons? why kbr shows zero di..

Answer / ramesh yadav

In IR spectroscopy for the preparation of pellet we use KBR
Because kBR has no absorbance in IR region

Is This Answer Correct ?    3 Yes 1 No

why kbr is used for pellet preparation in ir spectroscopy, give the reasons? why kbr shows zero di..

Answer / b srinivasu

Kbr and sodium chloride cells are alkyl halides so its donot react and do not exhibit any absorbance spectrum

Is This Answer Correct ?    1 Yes 1 No

why kbr is used for pellet preparation in ir spectroscopy, give the reasons? why kbr shows zero di..

Answer / mahesh

in IR kbr shows 100% trasmisson.so we prepare pallet with sample than it shows only spectrum of sample.also kbr is inactive in IR.

Is This Answer Correct ?    1 Yes 1 No

why kbr is used for pellet preparation in ir spectroscopy, give the reasons? why kbr shows zero di..

Answer / ajeet pratap singh

KBr is IR inactive in nature so it use in pellet preparation.
KCl also can be use.

Is This Answer Correct ?    0 Yes 1 No

Post New Answer

More Analytical Chemistry Interview Questions

HOW TO CALCULATE THE MASS OF UNKNOWN IMPURITY IN LC-MS? AND WHAT IS THE ROLE OF FRAGMENTATION IN LC-MS ?

1 Answers  


why should we perform dissolution PVT calibration only by UV spectrometer, not by HPLC ?

0 Answers  


What is the limit of minimum area in in hplc RS anlysis

1 Answers   Lupin,


please explain about aluminium hydroxide assay

0 Answers  


Why we inject a standard 6 times for Related substances by HPLC and 5 times for Assay?

3 Answers   GVK,






What is mean by peak tailing in case of GC?

5 Answers  


How many clauses in ISO!

2 Answers  


how pda detector works over uv?

0 Answers  


if relative response factor is 1.07, to select how much value

1 Answers   Natco,


In Karl Fischer titration,What is the situation if the material tested is only soluble in water,and not soluble in the common solvents used such as methanol ?? [e.g. Iron III Hydroxide polymaltose]

1 Answers  


How to do spike of aflatoxin in peanut to get maximum recovery

0 Answers  


How to calculate lamp energy in hplc?

1 Answers  


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)