Spiking Standard Kit Back Catalog number: 52068 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680987 Norflurazon, 10 µg/ml, Acetonitrile, 10ml Price on request 11156.7-10MG Perfluoroheptane sulfonic acid, potassium salt,neat,neat,10mg, Price on request EPA-8280RS Recovery Standard Solution, 1.2ml, nonane Price on request