Primary Freon Standard

Benzophenone-d10, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 22583-75-1

Metazachlor ESA sodium salt-d6, 100µg/ml in MeOH, 1ml

2,2',3,3',4',5,6-Heptachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 52663-70-4