pH 6.86 Standard @ 25°C

2,2',3,4',5,6,6'-Heptachlorobiphenyl (188)

3-Methylphenanthro[3,4-c]phenanthrene, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 83844-21-7

Isoproturon, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 34123-59-6