ASTM D-4815 Valve Timing Mix Back Catalog number: 51071 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MAHBCD α-1,2,5,6,9,10-Hexabromo[13C12]cyclododecane, 1.2ml x 50ug/ml, toluene Price on request 66004 2,2'-Dichlorobiphenyl (4) Price on request DF-IS-G200 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request