WS Sulphate/TOC Back Catalog number: 55070 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673340 Lufenuron, 10.0 µg/ml, Acetonitrile, 10ml Price on request 91515 8260 Surrogates / Internals Standard Price on request 98138 FID Test Mix - 20ug/mL Price on request