CLP Semi-Volatile Internal Standard Back Catalog number: 13009 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11708.12-100-IO 2,2',3,3',4-Pentachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 70366 1,3-Dinitrobenzene Price on request 91873 Volatile Standard Price on request