Calibration Standard Mix 4 Back Catalog number: 52036 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674966 Erythromycin ethylsuccinate, 100mg Price on request 90125 Aroclor 1232 Price on request L20005200IO PCB No. 52, 10µg/mL in Isooctane, 10ml Price on request