2,2',3',4,4',5-Hexachloro-3-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

EN 15721 Internal Standard Stock Solution, procedure B 1382.2 Ethanol 16mL 8919.5 4-Methyl-2-pentanol 160µL Gives a concentration of approx. 8mg/mL

ICP MS Tuning Solution #4

4,4'-DDE, 100µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 72-55-9