Mercury (Hg)

Mass-Labelled PCDD Sampling Spike Solution, 1.2ml x 100ng/ml, nonane

Thiophene in Thiophene-free Benzene Units: 5x1mL ampoule, 10mL screw-capped bottle Chiron No. Concentration Light White Mineral Oil µg thiophene/g (20 cSt at 40°C)

2-Methylcatechol