Purgeable Internal Standard Back Catalog number: 22113 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 54533 Ammonium (NH4+) Price on request ACQ-SE01-015 Ethanol standard in serum,0.1g/L,serum, 1.5mL Price on request DD-123468-S 1,2,3,4,6,8-Hexachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane Price on request