Metals Mix Back Catalog number: 59216 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679661 D3-4-Methylaminoantipyrine picrate, 10mg Price on request 52145 Method 200.8 / 1638 / 1640 Internal Standard, in 2%-HNO3/Water, 4x25ml Price on request 676566 Maleic acid, 250mg Price on request