Magnesium (Mg) Back Catalog number: 59358 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 92353 EPA Method 8141 Standard Price on request MOPCB-4007S 4-Methoxy-2',3',4',5'-tetrachlorobiphenyl, 100µg/ml in IO, 1ml Price on request 91974 EPA Method 507 Pesticide Standard Price on request