Is it required to inject 6 injections for % RSD of a system suitability in lc or gc

Answers were Sorted based on User's Feedback



Is it required to inject 6 injections for % RSD of a system suitability in lc or gc..

Answer / naveen

In LC:
5 replicates of standard if %rsd is 2.0% orless
6 replicates of standard if %rsd is more than 2.0%

Is This Answer Correct ?    8 Yes 3 No

Is it required to inject 6 injections for % RSD of a system suitability in lc or gc..

Answer / borse

Yes, it is necessary to inject 6 injection it show your system repeatability (precision), if it is within limit, it means your system is ready to proceed.

If any correction please suggest.

Is This Answer Correct ?    4 Yes 0 No

Is it required to inject 6 injections for % RSD of a system suitability in lc or gc..

Answer / rk

As per USP we can inject 3 to 6 , but %RSD vary as per number of injections

Is This Answer Correct ?    4 Yes 0 No

Post New Answer

More Analytical Chemistry Interview Questions

what is mean by peak intigrity?

0 Answers  


What is unit of pH?

26 Answers  


As per OOT for any product what is calculation and how to invetigate the OOT

3 Answers   Aurobindo, Hetero,


why water factor is near about 5.0 in kf titration?

3 Answers   Claris Lifesciences, Indchemie Health Specialities,


why digestion require in icpms?

0 Answers  






A new drug substance found fail to meet specification for an unknown Impurity during stability study(Specific change),how would further proceed?

2 Answers  


What is quality controle.

6 Answers  


what is the difference between loss on drying in ordinary oven technique and vacuum oven technique

4 Answers   Divis Laboratories, Ranbaxy,


Ph meter can show more than 14 ph reading? Why ph range in between 1 to 14 only?

0 Answers  


In lcms analysis some times we get sodium and potassium adducts. if the compound is havine sodium ions how can we confirm wether sodium is from sample or it is a adduct?

2 Answers   Teva Pharmaceuticals,


Why are use silicon oil mr?

0 Answers  


How we can analysed unknown sample by hplc....

2 Answers   Archimedes,


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)