if v use HELIUM & ARGON instead of NITROGEN as a mobile
phase what happen in GC SYSTEM ?

Answers were Sorted based on User's Feedback



if v use HELIUM & ARGON instead of NITROGEN as a mobile phase what happen in GC SYSTEM ?..

Answer / vishal

Your RT, area of standard and respose are change.

Is This Answer Correct ?    15 Yes 2 No

if v use HELIUM & ARGON instead of NITROGEN as a mobile phase what happen in GC SYSTEM ?..

Answer / rajasekhar salicylates

helium is better mobile phase than nitrogen...only helium will give better peak separation,response,area,low noise and good base line than nitrogen..but helium is very costly gas..so generally nitrogen used as mobile phase gas.

Is This Answer Correct ?    7 Yes 1 No

if v use HELIUM & ARGON instead of NITROGEN as a mobile phase what happen in GC SYSTEM ?..

Answer / megha5008

1st it's carrier gas if we switch we give more accurate response and result but also affect on analysis of cost

Is This Answer Correct ?    0 Yes 1 No

if v use HELIUM & ARGON instead of NITROGEN as a mobile phase what happen in GC SYSTEM ?..

Answer / nirav

Nitrogen is easily available from Environment & Less Costly
then He & Ar.

Is This Answer Correct ?    2 Yes 4 No

if v use HELIUM & ARGON instead of NITROGEN as a mobile phase what happen in GC SYSTEM ?..

Answer / sandip telavane

baseline noise is low in helium hence it will detect lowest analyte

Is This Answer Correct ?    0 Yes 6 No

Post New Answer

More Analytical Chemistry Interview Questions

What is the difference between qualitative and quantitative analysis (hplc)

1 Answers  


what split ratio in gas chromatography.

9 Answers   Cipla, Glochem,


Which are the diffrent grades of api in pharma?

0 Answers  


How to calculate signal to noise ratio by this formula 2H/h where h from where and how to measure

2 Answers  


What is the name of the detector used in TOC?

1 Answers   Lupin,






I have got selected for Aurobindo Pharma AR&D, HR person is asking me to sign in agreement. can I join?

19 Answers   Aurobindo,


how require to select dissolution media? what is discrimination?

0 Answers  


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

3 Answers   Orchid,


In burette calibration of Karl fischer Instrument, the multiplication factor 1.00693 is using for how much ml of water dispenced. why

1 Answers  


what are the sources in ELSD,PDA, RI and UV Detectors?

1 Answers  


if content uniformity passing but dissolution varrying then what is next step?

0 Answers  


How we performed the force degradation for drug substance, is any specific guideline is available for each parameter(Acidic, basic, oxidation,heat)? what conditions you mentained for above parameters.

0 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)