WS pH @ 25°C Back Catalog number: 55016 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 66118 PCB No. 118, 100µg/ml in Isooctane, 1ml Price on request 96323 PCB Congeners Price on request 96642 PAH Mix, 1000µg/ml in methylene chloride, 1ml Price on request