ICP MS Tuning Solution #4 Back Catalog number: 53318 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended A617000-5MG 2-Amino-1-methyl-6-phenylimidazo[4,5-b]py ridine (PhIP), 5mg Price on request 19394 EPA Method 8021B Internal Standard Price on request HPCB-4007N 4-Hydroxy-2',3',4',5'-tetrachlorobiphenyl, 10mg Price on request