10:2 Di-PAPS-d4, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no.

o,p'-DDT, 100µg/ml in MeOH, 1ml

Copper AA Standard (Cu)

4-Ethylthiophenol, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 4946-13-8