ICP-MS Internal Standard Back Catalog number: 50246 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3362.14-100-DC 4,4'-DDE, 100µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 72-55-9 Price on request 83544 Crotonaldehyde-DNPH Price on request 673709 Tolclofos-methyl, 10.0 µg/ml, Ethyl acetate, 10m Price on request