Fluorescein disodium salt dihydrate, 90%,neat,neat,1g,

3-Methyl-2-naphthol, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 17324-04-8

Arochlor 1248 , 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 12672-29-6

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)