D4-Rhodamine B, 5mg

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)

1,2,3,6,7-Pentachloronaphthalene,,,,

Tris(2-butoxy-[13C2]-ethyl) phosphate, 50µg/ml in Toluene, 1,2ml