PCB Isomer Standard “Dutch 7” Back Catalog number: 96857 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended PTBX 2,3,5,6-Tetrabromo-p-xylene, 1.2ml x 50ug/ml , toluene Price on request 675993 Fenamiphos-sulfoxide, 100 µg/ml, Toluene, 5ml Price on request 30351 Bromoform Price on request