Aroclor 1221 in Transformer Oil Back Catalog number: 61221 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1832.19-100-IO 4-Nonylphenol diethoxylate, mixture of nonylisomers,100 µg/mL,isooctane,1mL, Price on request 680012 Methoprotryne, 100 µg/ml, Acetonitrile, 1ml Price on request 10636.12-50-NN 2,3,4,6,7,8-Hexachlorodibenzofuran ,50 µg/mL,n-nonane,1mL, Price on request