Conductance @ 20°C [50 µmho/cm] Back Catalog number: 59824 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70957 Demeton [O & S Isomers] Price on request 22003 EPA Method 8240A Internal Standard Price on request 20138 EPA Method 1618 Organochlorine Mix C Price on request