Elemental analysis, ICP-OES and EPMA
Ni-PTC nanorod dark powder · Powder
C by Flash EA 1112; Ni by ICP-OES after fuming nitric acid dissolution; S/Ni by EPMA JXA-8100.
| Property | Reported value | Normalised value | Uncertainty | Origin and quality | Source |
|---|---|---|---|---|---|
| Carbon content by elemental analysis | C = 33.70 wt% | — | — | SI Table Exact Reported | 6 · Supplementary Figures · Table S2 |
| EPMA S/Ni atom ratio, sample 1 | S/Ni atom ratio: 4.12 | — | — | Visual Estimate Exact Reported | 7 · Supplementary Figures · Fig. S6 |
| EPMA S/Ni atom ratio, sample 2 | S/Ni atom ratio: 4.00 | — | — | Visual Estimate Exact Reported | 7 · Supplementary Figures · Fig. S6 |
| EPMA S/Ni atom ratio, sample 3 | S/Ni atom ratio: 4.09 | — | — | Visual Estimate Exact Reported | 7 · Supplementary Figures · Fig. S6 |
| EPMA S/Ni atom ratio, sample 4 | S/Ni atom ratio: 3.96 | — | — | Visual Estimate Exact Reported | 7 · Supplementary Figures · Fig. S6 |
| S/Ni atom ratio by EPMA | S/Ni atom ratio about 4:1 | — | about | Text Approximate | 4 · Synthesis and structural characterizations · Fig. S6 |
| Nickel content by ICP-OES, main-text value | Ni = 21.29 wt% in main text | — | — | Text Uncertain | 4 · Synthesis and structural characterizations |
| Nickel content by ICP-OES, SI table | Ni = 20.29 wt% in Table S2 | — | — | SI Table Exact Reported | 6 · Supplementary Figures · Table S2 |