2-Mercaptoethanol, 1000mg

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)

(1R,4aR,5aR,8aR,10aR)-1-(4-methylpentyl)-1,6,6,8a,10a-pentamethylperhydrophenanthrene, ca. 10µg/mL, Solvent-isooctane, Unit 0.25µL, # of units-1, Cas.no.

L-Ascorbic Acid, 100g