I'm having poor reproducibility while analyzing Organic Impurities in Ethanol by TOF GCMS. Could this be a problem with my incubation conditions?

I'm analyzing Organic Impurities in Ethanol by GC/MS and having poor reproducibility. The ethanol samples are diluted to ~40% in water and injected using headspace technique. Sample is incubated...

01 March 2016 1,809 2 View