2,4'-DDE, 100 µg/ml, Ethyl acetate, 5ml

L-(+)-Ribose

Phosphorous Standards Phosphorus in Light White Mineral Oil, 20Cst Tri-n-butylphosphate, 99+% (Chiron product nr. 1399.19) CAS [126-73-8] Matrix: Isooctane , 20cSt Units: 1x25mL, 1x100mL Isooctane

Heptachlor-exo-epoxide (cis-), 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 28044-83-9