pH 7.0 Standard @ 25°C

N,N-Dimethylguanidine, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 6145-42-2

p-Terphenyl-d14, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 1718-51-0

Metazachlor, 100 µg/ml, Acetonitrile, 5ml