4,4’-DDE

Redox Standard 650mV @25°C, 500ml

3ß,17ß(H),21ß(H)-3-Methylhopane, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 497938-80-4

PAH Mixture 390, 1000µg/mL in Dichloromethane, 5 x 1ml