MilliporeSigma™ Supelco™ ORBO™ 77 H2SO4-Treated Carbon Bead (20/30), 500/250 mg W,W,W separators

Description

ORBO™ 77 H2SO4-Treated Carbon Bead (20/30), 500/250 mg solvent desorption tube is designed for gas and vapor sampling. It contains two beds of the same selective adsorbent separated by glass wool or foam. Dual-layer or two-bed construction of the tube allows for any sample breakthrough to be captured in the smaller back-up bed.