Spiking Standard 4 Back Catalog number: 58651 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MCDE-86 2,2',3,4,5-Pentachloro[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane Price on request HPCB-3006N 4-Hydroxy-2',4',6'-trichlorobiphenyl, 10mg Price on request 73560 Isocarbophos Price on request