Surrogate standard

Amino acids test mixture pack of 8mL

Alachlor-d13 (2,6-diethylphenyl-d13), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1015856-63-9

Benzo[a]pyrene,400µg/mL,cyclohexane,0.5mL,