Dow 624A Volatile Internal/Surrogate Standard

(3 alpha(H)+3bß(H)),17ß(H),21ß(H)-3-Hydroxyhopane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 28196-47-6/

Hexamethylenetetramine, ACS

D16-Bisphenol A, 100µg/ml in Acetonitrile, 5ml