ULTRAgrade® Lead, Single Element Standards for ICP, Ultra Scientific, Agilent Technologies
The ICP standard is manufactured and verified under Ultra’s ISO 9001 registered quality system
It is traceable to NIST standard reference materials (SRM) whenever possible.
ULTRAgrade® documentation data includes elemental identity, trace metal impurities, and final element concentration by ICP; traceability data to NIST SRM by both wet chemical assay and ICP on final solution lot; and final solution density.
It is prepared from starting materials having a purity of 99.999% (where possible), high purity acids, and ASTM Type I water (18 megaohm).