2,5-Dimethoxy-2,5-dihydrofuran (cis, trans mixture)

Demeton-S-methyl-sulfoxide, 10.0 µg/ml, Acetonitr

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)

1-Methylnaphthalene, 250mg