We have a wide range of Certified Reference Materials of Copper Brass and Bronze alloys suitable for use as calibration standards, type standards, Positive Material Identification (PMI) and Proficiency testing materials. These CRM's are available as thin disks for XRF, thick discs for OE and chips for ICP-OES , ICP-MS and AA. These materials are also available as pin discs for GD-MS -AES on request. 
We currently offer the following grades but if you don't see what you are looking for, let us know and we can develop it through our rapid certification program.
| CDA 110 | CDA 642 | CDA 872 | CDA 963 |
| CDA 172 | CDA 647 | CDA 903 | Alloy FS53 |
| CDA 314 | CDA 655 | CDA 922 | DHP Copper |
| CDA 360 | CDA 675 | CDA 932 | EnviroBrass 2-1 |
| CDA 464 | CDA 706 | CDA 937 | EnviroBrass 2-2 |
| CDA 483 | CDA 715 | CDA 941 | Hinduron 130 |
| CDA 485 | CDA 815 | CDA 954 | Hinduron 191 |
| CDA 510 | CDA 836 | CDA 954M | Magnolia B-1 |
| CDA 544 | CDA 844 | CDA 955 | |
| CDA 623 | CDA 857 | CDA 958 | |
| CDA 630 | CDA 863 | CDA 962 |