Initial Check Verif. Standard 4, in 4%HNO3, 100ml

2,2',5-Trichlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 37680-65-2

Rubidium (Rb)

Metobromuron, 100µg/mL in Acetonitrile, 1ml