Internal Standard Solution, 1.2ml, nonane Back Catalog number: NK-IS-J4 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended XA15710000CY Octachlorostyrene, 100µg/mL in Cyclohexane, 1ml Price on request 11763.12-100-IO 2,2',3,4,4',6,6'-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 674986 2,4'-DDD, 100mg Price on request