gc Calibration % RSD failed what is the possible reasons?
Answer Posted / alasyam ramesh
1) Improper stabilisation of column and system.
2) injector septa bleeding
3) partial blockage of detector jet.
4) syring struck due to solvents nature( solvent viscosity).
5) plunger moving and taking improper injection volume.
6) some time may effect room temperature also
Is This Answer Correct ? | 5 Yes | 0 No |
Post New Answer View All Answers
Difference between the quantitative analysis and qualitative analysis?
for which product require to do content uniformity? what is limit of cu?
What is control room temperature and which guide line says?
which one is better separation in high pressure liquide chromatogram orlowpressure chromato gram in hplc
why glutent are detected in the rice cereal baby food product even manufacturer claimed that they are using rice and milk only?we have using ELISA to do the test,and rice supposed not containing any glutent,rite?We already repeat the test so many times and it still detected.just wondering where the glutent came from?
Why a1% value is used for some product ? What is the criteria for selection a1% value ?
in dissolution why pool sample needed? in which type of drug pool sample need?
Which products will produce when acetic anhydride reacts with Ter-butanol, Sec-butanol, Iso butanol, Dimethylamine etc.
why are measure gas flow " ml " in Gas chromatography
What is viod volume and peak purity in HPLC?
what are the standard methods for HPLC?
If suppose 10 methods of dissolution given in pharmacopoeial for single content product then which method out of 10? or all 10 require to follow?
what type of question will ask in the interview of lab chemist.
In which situation we require to prepare the standard solution from sample in Related substance method?
what is the different in Total ash, sulphated ash, acid insoluble ash, alcoholic or non alcoholic ash?