Limestone, 70g

Urs-12(13)-ene, 100µg/ml in Isooctane, 1ml

3-Methyl-4-nitrophenol, 100mg

Ethyltri-n-pentyltin, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 198958-44-0