PCB No. 21, 100µg/ml in Isooctane, 1ml Back Catalog number: 66021 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59451 Conductance @ 20°C [84 µmho/cm] Price on request RS347-19 RS347-19 TOLUENE Price on request 681290 2-Aminoanthracene, 100mg Price on request