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Table 4.

Mean and standard deviation (SD) for CIE L*a*b* color values before and after staining with sodium bicarbonate (Stain) and tannic acid (T. acid) at different concentrations and color changes (ΔE) after staining, where wood species are western red cedar (WRC), southern yellow pine (SYP), yellow poplar (YP), red oak (RO), and white oak (WO).

Mean and standard deviation (SD) for CIE L*a*b* color values before and after staining with sodium bicarbonate (Stain) and tannic acid (T. acid) at different concentrations and color changes (ΔE) after staining, where wood species are western red cedar (WRC), southern yellow pine (SYP), yellow poplar (YP), red oak (RO), and white oak (WO).
Mean and standard deviation (SD) for CIE L*a*b* color values before and after staining with sodium bicarbonate (Stain) and tannic acid (T. acid) at different concentrations and color changes (ΔE) after staining, where wood species are western red cedar (WRC), southern yellow pine (SYP), yellow poplar (YP), red oak (RO), and white oak (WO).
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