1 why polyesterene film used for ftir calibration ?
2 why k2cr2o7 is used for control of abs in uv ?
3 why holmium oxide used for control of wavelength in uv

Answers were Sorted based on User's Feedback



1 why polyesterene film used for ftir calibration ? 2 why k2cr2o7 is used for control of abs in uv ?..

Answer / d.lodhiya

1.IR spectrum is standars and peak is stable.
2. Because its having 2 peak and 2 vallay . stable and
standard upto 3 hrs. its obays bees law.(ABS .25 to 1A)
3. Its covers boths range UV and VIS.

Is This Answer Correct ?    9 Yes 2 No

1 why polyesterene film used for ftir calibration ? 2 why k2cr2o7 is used for control of abs in uv ?..

Answer / appalaraju

1.polysterene shows many distinct bands throw ir
2.Between this range it show observane limit.
3. In UV sharp peaks are rare.By using this H2O2 we get
sharpe peaks in UV>

Is This Answer Correct ?    3 Yes 1 No

1 why polyesterene film used for ftir calibration ? 2 why k2cr2o7 is used for control of abs in uv ?..

Answer / swat

poly styrene film stable at temperature.polystyrene made of polymer it can show 1589&1583&2849&wave numbers

Is This Answer Correct ?    0 Yes 0 No

Post New Answer

More Analytical Chemistry Interview Questions

why has inject 6 injection in Releted compounds

2 Answers  


how much wave length of Soduim vapour lamp used in polarimeter

2 Answers   Reddy Labs, Torrent Pharma,


what is peak purity? how may types of methods to determine peak purity?

3 Answers   Mylan,


Why we use buffers Acetate for pH 4.5 & phosphate for 6.8 and not vice-versa?

1 Answers   Zydus Cadila,


How you collect dissolution media while in stirring condition of a basket or a paddle?

2 Answers   Mylan,






In HPLC Chromatographic separation Resolution equation is Rs = 1.18 (tR2 –tR1)/wh1+Wh2, Where, tR2 and tR1 is run time of eluent ratios of the distances from the point of application to the centers of the spots and the distance travelled by the solvent front from the point of application (retardation factor), and Wh1and Wh2 , is peak width of at half height. What is 1.18 ?

1 Answers  


difference between HPLC & LC-MS

9 Answers   Lambda,


does water content by KF will calculate only external moisture absorbed or the ligand ? (for ex copper sulphate pentahydrate)

0 Answers   NA,


What are the limits for uniformity dosage content for tablets and capsules

5 Answers   Micro Labs,


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

4 Answers   Caplin Point, Cipla,


If we are getting split peak in Chromatogram,what we can do?

7 Answers  


what is the moisture content of Disodium hydrogen tartrate. how it can be calculted. as 16.5%

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)