Calibration Standard Mix 4 Back Catalog number: 53046 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2031.12-50-NN 2,7-Dichlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL, Price on request 9127.12-K-IO Tri-n-butyltin-d27 chloride, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1257647-76-9 Price on request 682671 Ethylene carbonate, 1000mg Price on request