Interference Standard 4 Back Catalog number: 53041 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4058 Dibenzothiophene in Xylene S-4058 1000 µg/mL, 5x1mL ampoules Please request for diluted samples in the range 1 to 1000mg/mL. Price on request 95326 California Gas Additive Standard Price on request 675221 Quizalofop-p-tefuryl, 10 µg/ml, Acetonitrile, 10 Price on request