REAGENTS:
1. Eluent: Carbon disulfide* (chromatographic)
with 5% (v/v) 2-propanol and 0.1% (v/v)
hexane, 0.2% (v/v) n-pentadecane or other
suitable internal standard.
2. Analyte.
3. n-Heptane.
4. DE stock solution, allyl alcohol, 12 mg/mL in
n-heptane.
5. Nitrogen, purified.
6. Hydrogen, prepurified.
7. Air, compressed, filtered.