Calibration Standard Mix 7 Back Catalog number: 52015 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11109.7-100MG Pentabromobenzylchloride,neat in sealed ampoulle,neat insealed ampoulle,100mg in sealed ampoule, Price on request 70134 Dichlorodifluoromethane, 1000µg/ml in MeOH, 1ml Price on request 66180 PCB No. 180, 100µg/ml in Isooctane, 1ml Price on request