The effect of selective additives and conditions on the decomposition of Basamid in Douglas fir heartwood

IRG/WP 92-3698

P G Forsyth, J J Morrell

Basamid is a solid, powdered chemical used as an agricultural soil fumigant. Decomposition of Basamid isothiocyanate, hydrogen sulfide, methyl amine, and formaldehyde. Basamid has some potential as a wood fumigant, but it decomposes too slowly to be effective. Various additives and conditions were tested for their ability to enhance Basamid decomposition in Douglas-fir heartwood. Higher MC's and temperature, as well as copper sulfate and powdered pH 12 buffer increased decomposition rates with copper increasing the efficiency of breakdown to form MITC.


Keywords: BASAMID; CARBON DISULFIDE; DECOMPOSITION; FUMIGANTS; MIT; PSEUDOTSUGA MENZIESII; REMEDIAL TREATMENTS

Conference: 92-05-10/15 Harrogate, England, UK


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