Multi-Element Internal Standard / Back Catalog number: 53319 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended L20030200CY PCB-Mix 2, 10µg/mL in Cyclohexane, 10ml Price on request 675268 Fenpropathrin, 250mg Price on request 676162 4-n-Octylphenol-mono-ethoxylate, 10.0 µg/ml, Acet Price on request