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JWPA method for testing effectiveness of surface coatings with preservatives against decay fungi
1981 - IRG/WP 2164
In 1979 JWPA established a new method for testing effectiveness of surface coatings in accordance with practical use of preservative-treated lumber. Comparing the new testing method with JIS A 9302, a few new trials - size of wood specimen, weathering procedure, and decay-test procedure - are incorporated.
K Tsunoda

IRG Secretariat statement of income and expenditure 1 January to 31 December 1979
1980 - IRG/WP 96
IRG Secretariat

The Ninth Annual Report of the International Research Group on Wood Preservation 1978-1979
1979 - IRG/WP 579
IRG Secretariat

IRG Foundation Fund Report for 1979
1980 - IRG/WP 97
L Borup, B Henningsson

The Tenth Report of the International Research Group on Wood Preservation 1979-1980
1980 - IRG/WP 5110
R Cockcroft

1979 - IRG/WP 577
IRG Secretariat

Screening techniques for potential wood preservative chemicals. Proceedings of a special seminar held in association with the 10th Annual Meeting of the IRG, Peebles 1978. Report No 136, 1979
1980 - IRG/WP 2138
This paper continues following issues: I. SCREENING INSECTICIDES 1) R W Berry (BRE/PRL, UK): Screen testing of insecticides for use in remedial wood preservatives. 2) D J Cross (FRI, New Zealand): Rapid screening of contact insecticides for use on forest products. 3) C R Coggins; A Forsyth; A E Glaser (Rentokil, UK): Experience in the use of indicative screening techniques for termiticides. 4) B A Richardson (Penarth Research Centre, UK): Simplified termite tests for wood preservative development work. II. SCREENING FUNGICIDES 5) J A Butcher (FRI, New Zealand): Preliminary screening procedures for assessing fungicidal and insecticidal activity of potential wood preservatives. 6) H Berg-Madsen (Cheminova, Denmark): Screens for novel chemical structures as wood protective fungicides. 7) C R Coggins; I Milne (Rentokil, UK): Industrial experience in the use of filter paper screening techniques for fungicides. 8) A F Bravery (BRE/PRL, UK): A miniaturised wood-block test for the rapid evaluation of wood preservative fungicides. 9) B A Richardson (Penarth Research Centre, UK). Simplified Basidiomycete tests for wood preservative development work. 10) H P Sutter (Acima, Switzerland): A new technique for screening fungicides for wood preservatives. 11) J D Thornton; H Greaves (CSIRO, Australia): Current techniques for screening initial formulations against Basidiomycetes and soft rot. 12) H Greaves (CSIRO, Australia): Preliminary screening of diffusion formulation for the control of soft rot. 13) M A Hulme (Eastern Forest Products Lab, Canada): Deterioration in outdoor chip piles - screening tests for treatments that reduce fibre loss. 14) A J Cserjesi (Western Forest Products Lab, Canada): Principles in the development of laboratory screening tests for the evaluation of sapstain and mould preventives. 15) M A Hulme (Eastern Forest Products Lab, Canada): Screening tests for preventives of fungal sap-stain in Pinus strobus L. 16) M A Hulme (Eastern Forest Products Lab, Canada): Screening tests for brown stain preventives for Pinus strobus L. 17) D van Lenthe; H P Sutter (Acima, Switzerland): Accelerated test method for the control of blue stain. 18) E L Schmidt; D W French (University of Minnesota, USA): Two-day mould testing using a contact agar method. III. SCREENING MARINE BORERS 19) B R Richards; D A Webb (William Clapp Lab; Kopper Co, USA): Biological screening assay of wood samples treated with creosote plus chemical additives exposed to Limnoria tripunctata.

A technical note on the limitations of atomic absorption spectrophotometric analysis of copper/chrome/arsenic solutions according to BS 4072 (1974) and BS 5666: Part 3 (1979)
1988 - IRG/WP 2320
British Standards BS 4072 (1974) and BS 5666: Part 3 (1979) detail an atomic absorption spectrophotometric method for the quantitative determination of copper, chrome and arsenic in both preservative solutions and treated timber. Use of this technique during a research programme at Aberdeen has highlighted some potential inaccuracies with this method if these standard specifications are adhered to rigidly. These involve the standards specifying the production of inappropriate concentrations of solutions for calibration purposes and "unknowns" for analysis. Possible methods of avoiding these problems are discussed.
A J Pendlebury, J A Petty