Research Article
Two New Reference Materials Based on Tobacco Leaves: Certification for over a Dozen of Toxic and Essential Elements
Table 4
Information values for INCT-OBTL-5.
| Element | Concentration | Unit |
| Au | 3.0 | ng g−1 | Be | 81.2 | ng g−1 | Cl | 0.772 | wt% | Cr | 6.30 | mg kg−1 | Dy | 184 | ng g−1 | Fe | 0.149 | wt% | Gd | 243 | ng g−1 | Ho | 34.5 | ng g−1 | Li | 19.3 | mg kg−1 | Lu | 16.7 | ng g−1 | Na | 435 | mg kg−1 | Pr | 321 | ng g−1 | Ti | 80.7 | mg kg−1 | Tl | 51.3 | ng g−1 | Tm | 13.6 | ng g−1 | U | 113 | ng g−1 | Y | 963 | ng g−1 |
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