Radiochemical Assay of Wood Treated With Chromated Copper Arsenate Preservatives


  • Guillermina Burillo
  • Ramón Echenique-Manrique
  • Luis C. Gálvez


Radiochemical assay, CCA wood preservatives, radioactive tracers, wood preservation, quality control


The assay of preservative-treated wood for chromium, copper, and arsenic, based on isotopic dilution with radioactive tracers, proved to be highly sensitive and precise. This safe technique provides a rapid and inexpensive means of quality control.


AWPA Standards. 1973. American Wood Preserver's Association. Washington D.C.nBloch, K., and H. S. Anker. 1948. An extension of the isotope solution method. Science 107: 228.nBraun, T., and J. Tölgyessy. 1967. Radiometric tritations. v. 1. Pergamon Press, New York. 384 pp.nDeBala, S. S., and J. P. Wright. 1965. Semi-automated X-ray spectrochemical analyses of preservatives in wood borings. Proc. AWPA 61:217-222.nDeón, G., L. Bombardi, and N. Fort. 1969. Dosages spectrophotométriques rapides du chrome, du cuivre, et de l'arsenic dans les bois traités. Centre Technique Forestier Tropical Note Technique No. 9, Publication C.T.F.T. 94, Nogent sur Marne. 22 pp.nEaton, G. C. 1957. Reports of information and technical development committees. Proc. AWPA 53:215-219.nHartford, W. H. 1971. Current status for analysis by X-ray emission spectroscopy. Proc. AWPA 67:23-27.nHudson, M. S. 1970. Colorimetric analysis of CCA treating solutions and treated wood. Proc. AWPA 66:160-166.nLambert, Marcia. 1969. The determination of copper, chromium, and arsenic in preservative-treated timber by the method of atomic absorption spectrophotometry. J. Inst. Wood Sci. 4(6):27-36.nMathur, N. P., and A. E. Behr. 1967. Determination of copper, arsenic, and chromium in wood by colorimetric methods. Proc. AWPA 63:133-135.nMeyer, J. A., and J. F. Siau. 1972. Neutron activation analysis of copper, chromium, and arsenic in wood. Wood Sci. 5(2): 147-152.nMorrison, H. G. 1965. Trace analysis. Inter-science Publishers, New York. 582 pp.nMorrison, H. G., and H. Freiser. 1966. Solvent extraction in analytical chemistry. 4th ed. John Wiley and Sons, New York. 269 pp.nRudman, P. 1966. A note on the use of electron probe X-ray microanalyser in wood preservation. J. Inst. Wood Sci. 16:16-21.nRuzicka, J., and J. Stary. 1968. Substoichiometry in radiochemical analysis. v. 30. Pergamon Press, New York. 151 pp.nSandell, E. B. 1950. Colorimetric determination of traces of metals. 2nd ed. Interscience Publishers, New York. 633 pp.nSiau, J. F., and J. A. Meyer. 1970. Neutron activation analysis of mixtures of copper, chromium, and arsenic. Proc. AWPA 66: 119-127.n






Research Contributions