Table 4 The linear regressions (for all the fibers and fibers width > 0.5 μm) towards y = 1 for each element for data from both SEM.EDS systems.
Linear regression line to y = 1 | Linear regression line to y = 1 (Fiber width > 0.5 μm) | |
|---|---|---|
SEM. EDS.1 | ||
Si | y = -0.041 x + 0.132 | y = -0.009 x + 0.073 |
Al | y = 0.096 x + -0.316 | y = 0.019 x + -0.167 |
K | y = -0.01 x + -0.574 | y = -0.006 x + -0.606 |
Ca | y = -0.024 x + -0.377 | y = -0.011 x + -0.449 |
Mg | y = -0.055 x + 0.209 | y = -0.008 x + 0.116 |
Na | y = -0.726 x + 1.642 | y = -0.726 x + 1.642 |
SEM. EDS.2 | ||
Si | y = 0.001 x + 0.023 | y = -0.001 x + 0.027 |
Al | y = -0.03 x + 0.035 | y = 0.005 x + -0.034 |
K | y = 0.014 x + -0.606 | y = 0.011 x + -0.601 |
Ca | y = 0.014 x + -0.446 | y = 0.042 x + -0.502 |
Mg | y = 0.006 x + 0.376 | y = -0.02 x + 0.405 |
Na | y = -1.566 x + 3.862 | y = -1.129 x + 2.946 |
