Glycerol, Surface tension 63mN/m at 20°C, 30ml Back Catalog number: GUM 11.3 Availability: In the manufacturer's stock Price on request - + Recommended MFOEA 2-Perfluorooctyl-[1,2-13C2]-ethanoic acid (8:2), 50µg/ml in Isopropanol, 1,2ml Price on request S-4012-ASS-IO Pristane/n-Heptadecane Control Standard/Whole Oil Control Mixture 4 Pristane/n-Heptadecane = 1:2 (1000µg Pristane and 2000µg n-Heptadecane in 1mL isooctane) Price on request 93461 Chloramine-T Extech, Inc. Price on request