Research Article

Study on the Retention and Distributions of the Copper-Based Preservative in Standing Tree Chinese Fir (Cunninghamia lanceolata)

Figure 6

SEM of (a) the Chinese fir; (b) the first part; (c) the second part; (d) the third part; (e) the fourth part of 2% Cu-NH solution treated Chinese fir; (f) EDS spectrum of the solidified particle.