Tungsten (W) Back Catalog number: 57074 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4493-SET EN 12916 Calibration Standards 4 Analytes, each concentration as listed in n-heptane; units: 4x1.5mL Certan® bottle, Calibration 1,2-Dimethylbenzene Fluorene Phenanthrene Standard g/100mL g/100mL Price on request (-)GHBCD (-)-γ-1S,2S,5S,6R,9R,10S-Hexabromocyclododecane, 1.2ml x 50ug/ml, toluene Price on request 97134 EPA Method 552.2 - Haloacetic Acids Price on request