Internal Standard for AB SIM Back Catalog number: 94541 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674602 Clodinafop free acid, 10.0 µg/ml, Acetonitrile, Price on request 95246 VOC Mix #2 Price on request 685128 Ethylisopropylnitrosamine, 100 µg/ml, Methanol, Price on request