Mixture of 13C-labelled α-, β-, and γ-HBCD, 1.2ml , toluene

Low level Nitrogen & Sulfur Calibration Set Units: 1x1mL ampoules or 10mL screwcapped bottle Nitrogen introduced using Aniline / Sulfur introduced using di-n-Butyl Sulfide Catalogue No. Concentration Matrix: Benzene mg/kg (ppm) S-4143-0

Sodium Methyl Sulfate, >98%, 25g

Naphthol AS,neat,neat,10mg,