D10-Benzophenone, 10mg

1-Methylfluoranthene, 100µg/ml in Acetonitrile,5ml

Sulfur Calibration Mixtures: Di-n-butyl sulfide in Heavy 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)

Sulfamethoxazole-d4 (benzene-d4),100 µg/mL,MeOH,1mL