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triethylamine peak not eluted

Posted: Tue Nov 05, 2024 4:51 am
by iHP2191
kindly give suggestion to resolve issue regarding trimethylamine peak not eluted in sensitivity solution using DMSO as diluent and added 0.8gm of Potassium hydrogen phosphate other solvents are MDC, Toluene and benzene
column :Rtx-5 Amine (Crossbond® 5% diphenyl-95% dimethyl polysiloxane) (Make: Restek) 30m x 0.53mmx3.0μm using
Headspace methodology,the conc. of TEA was 0.3 ppm w.r.t. test solution

Re: triethylamine peak not eluted

Posted: Tue Nov 05, 2024 3:01 pm
by Consumer Products Guy
What's the potassium hydrogen phosphate for? Wouldn't you want to keep the triethylamine in the basic form?