Polyethylene - Trace elements (low level), 100g Back Catalog number: ERM-EC680K Availability: In the manufacturer's stock Price on request - + Recommended 3391.9-100 Endosulfan , 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 115-29-7 Price on request 1989.9-K-ME Tri-n-propyltin chloride, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 2279-76-7 Price on request 11029.6-100-CY Demeton-S-methyl sulfon-d6,100 µg/mL,cyclohexane,1mL, Price on request