Copper AA Standard (Cu)

4-n-Nonylphenol, 1000µg/ml in MeOH, 1ml

Methyl eicosanoate C20:0, 10mg/ml in Hexane, 1ml

Isobutyl 4-hydroxybenzoate, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 4247-02-3