Multi-Element Internal Standard Back Catalog number: 50160 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended L20011800IO PCB No. 118, 10µg/mL in Isooctane, 10ml Price on request EPA-1613CSL Extended Calibration/Low Level Solution , 500ul, nonane Price on request C10427500 Basic Violet 3, 100mg Price on request