Table 3.
Software chemical correlation based on Raman spectra of particles (5–25 µm; n = 600 particles in each sample) in the samples of washout from conifer needles with material standards.
| Material | The Content of the Material in Samples (Distribution by Number) % | |||
|---|---|---|---|---|
| Sample 1 | Sample 2 | Sample 3 | Sample 4 | |
| Datolite | 0.3 | - | - | - |
| Galena | 0.1 | 3.4 | - | - |
| Calcite | 86 | 56.3 | 92.1 | 80.3 |
| Hedenbergite | 0.5 | - | 0.1 | 0.6 |
| Wollastonite | 0.1 | - | - | 0.1 |
| Sphalerite | - | - | - | 8.4 |
| Coal | 4.3 | 22 | 3.6 | 3.1 |
| Silicate particles | 8.2 | 0.9 | 3.6 | 7 |
| Calcium–iron garnet | 0.1 | - | 0.1 | |
| Not identified | - | 17.1 | 0.3 | - |