PCB Isomer Standard “Dutch 7” Back Catalog number: 96857 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678143 1,2,3-Trichlorobenzene, 1000mg Price on request 93988 PAH Standard, 1000µg/ml in methylene chloride, 1ml Price on request 677179 4-Nonylphenol-di-ethoxylate, 50 µg/ml, Acetone, Price on request