Para-phenylenediamine,neat,neat,100mg,

Perfluorohexane sulfonylfluoride, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 423-50-7

Freshwater harbour sediment - PAHs, 40g

(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/