Gas Surrogate Back Catalog number: 92810 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674464 Niclosamide, 100mg Price on request DF-0-S Dibenzofuran, 1.2ml x 50ug/ml, toluene Price on request 675978 Primisulfuron-methyl, 10.0 µg/ml, Acetonitrile, Price on request