Lanthanum Nitrate Modifier Back Catalog number: 52312 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 19063 EPA Method 525 - PCB Standard Price on request 30411 1,2,4-Trichlorobenzene Price on request BDD-12378 1,2,3,7,8-Pentabromodibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene Price on request