2,4´-DDT D8, 100µg/ml in Acetone, 1ml

Conductance @ 20°C [2,000 µmho/cm]

2-Methyl-1-propanol, 5ml

2,2',3,4,4',6,6'-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL,