Conductance @ 20°C [50 µmho/cm]

Formaldehyde-DNPH Level 7 (20ug/mL)

Paraoxon-methyl, 100µg/mL, Solvent-C.hexane, Unit 1mL, # of units-1, Cas.no. 950-35-6

Mix 31, 10 µg/ml, Methanol, 10ml