Calibration Standard Kit Back Catalog number: 53089 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended AE-00049-R1-10ML Carcinogenic Aryl Amine, 10µg/mL in Ethyl AC, 10ml Price on request 11294.12-100-T 3-Nitrobenzofuran,100 µg/mL,toluene,1mL, Price on request 11882.9-5G Di-n-butyl-carbonate,neat,neat,5g, Price on request