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USPs
for Restek Rxi-5Sil MS GC Column
for Chlorinated Dioxins and Furans
• Replacement for DB-5
– Specified in EPA Methods 1613 and 8290a
– Primary column, but coelution on 2378 TCDF
• Rxi-5Sil MS separates 2378 TCDD and TCDF
• Rxi-5Sil MS separates 12378 PnCDD
• Rxi-5Sil MS is more inert and has lower bleed
than DB-5
Rxi-5Sil MS has equivalent selectivity to DB-5MS and other “5” silphenylene columns.