Mass-Labelled PCDD/PCDF Solution/Mixture, 1.2ml, nonane

2,3,3',6-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL,

Nitrobenzene

Sulfur Calibration Mixtures: Di-n-butyl sulfide in Light White Oil (less than 20mg/kg S) Unit : 10mL screw-capped bottle Light White Mineral Oil Heavy White Mineral Oil (20 cSt at 40°C) (70 cSt at 40°C)