Internal & Surrogate Standard 8260B Back Catalog number: 97179 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 15900-2935-100AN5 Isoproturon-desmethyl, 100µg/ml in ACN, 5ml Price on request L15560000CY Nitrofen, 10µg/ml in Cyclohexane, 10ml Price on request 3393.14-100-CY EPN Price on request