Magnesium Nitrate Modifier Back Catalog number: 52004 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8646.12-50-T 1,2,3,4,7-Pentachlordibenzo-p-dioxin, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. Price on request 52327 SDWA Trace Elements #3 Price on request 70259 Pyrene Price on request