The leaching characteristics of copper in copper treated bamboo and other wood species such as slash pine and poplar has been conducted in this paper according to AWPA M11-87 standard, the result indicates that:
--Copper fixation rate of salts from organic acids such as citrate and oxalate and malate is less than other non-organic acid formulations.
--Copper fixation rate of oven-dried bamboo samples is less than air-dried bamboo samples for all formulations containing copper.
--Copper fixation rate of bamboo treated with ACQ containing dimethyl didecyl ammonium chloride (DDAC) is higher than other type of ACQ formulation containing benzalkonium chloride. Copper fixation rate of ammonia-based ACQ-B treated bamboo is higher than amine-based ACQ-D while in the same retention level.
--Copper fixation rate in some formulations containing phosphate is higher than non-phosphate ones.