Sulfur in Isooctane - 0.001 Wt%

3ß(H),17ß(H),21ß(H)-3-Hydroxyhopane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

2,4'-DDT, 100µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 789-02-6

1,4-Benzoquinone, 1000mg