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The interaction of polyflavonoid tannins with CCA in Pinus radiata
1987 - IRG/WP 3422
Polyflavonoid tannins complex easily and rapidly with metal ions such as copper, chromium, and arsenic. such complexes in high-tannin-containing CCA treated hardwoods might result in essentially under-treated timber. Four aspects of this interaction were investigated: 1) The relationship between tannin contents of seven hardwoods (Betula pendula, Alstonia scholaris, Fagus sylvatica, Liquidambar st...
K G Ryan, D V Plackett
Effectiveness of a newly registered antisapstain preservative in preventing stain of Eucalypt timber in Australia
2000 - IRG/WP 00-30229
An antisapstain trial was conducted on two sites (Alexandra and Trentham) in order to establish the concentration of a newly registered antisapstain preservative (consisting of benzalkonium chloride (BAC) & 3-iodo-2-propynyl butyl carbamate (IPBC) & disodium octoborate (boron)) needed to prevent stain of Eucalypt timber. After 20 weeks of exposure at the Trentham site, the water treated bo...
J Snow, P R S Cobham, N Ryan