WS Sulphate/TOC Back Catalog number: 55070 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 93880 Acids Mix Price on request 9880.16-50-IO 1,5-Dimethylphenanthrene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 66271-87-2 Price on request 11250.9-100-AN Captan-3,3,4,5,6,6-d6,100 µg/mL,acetonitrile,1mL, Price on request