Analyte: Lithium carbonate (ICP grade) (as lithium), CAS Number: 554-13-2; Analyte: Cobalt nitrate hexahydrate (ICP grade) (as cobalt), CAS Number: 10026-22-9; Analyte: Indium (ICP grade), CAS Number: 7440-74-6; InChl: APFVFJFRJDLVQX-UHFFFAOYSA-N; Analyte: Thallium (I) nitrate (ICP grade) (as thallium), CAS Number: 10102-45-1 . EPA, Method: 6020.