1H-1,2,4-Triazole, 250mg

2,4-Dimethylanisole

Dibenzo[b,ghi]perylene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 5869-30-7

Ethanol standard in water,0.5g/L,water, 3mL