Native PCDD/PCDF Solution/Mixture, 1.2ml, nonane

Glyphosate-1,2-13C2 15N, 100µg/ml in Water, 1ml

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)

Caffeine