Color Back Catalog number: 50820 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679905 Acetochlor, 100 µg/ml, Acetone, 1ml Price on request NK-IS-J5 Internal Standard Solution, 1.2ml, nonane Price on request 11675.12-100-IO 2,3,6-Trichlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request