Pure Grade Standards for AA and ICP-OES:
- Analyzed by ICP-OES
- Analyzed by Classical Wet Assay
- 32 trace impurities analyzed by ICP-MS of the final solution and reported on the certi cate
- Impurities reported at ppm level
- All Standards are prepared and certified under ISO Guide 34 and ISO 17025
Pure Plus Grade Standards for ICP-MS:
- Analyzed by ICP-OES
- Analyzed by Classical Wet Assay
- 67 trace impurities analyzed by ICP-MS of the final solution and reported on the certificate
- Impurities reported at ppb level
- All Standards are prepared and certified under ISO Guide 34 and ISO 17025