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A new wood preservative based on polymerized complexes of aminotriazole with copper acetate
1998 - IRG/WP 98-30169
This paper presents the results of preliminary fungitoxicity tests as carried out on new polymerized complexes of aminotriazole with copper acetate (PCC) against Coniophora puteana and Trichoderma viride. Laboratory tests on wood confirmed the findings arrived at in the screening test on agar medium. Deep penetration into pine wood of compounds studied was observed and particularly so at humidity...
K J Krajewski, A Lukasiewicz, J Wazny


Airborne algae as a wood degradation factor
1992 - IRG/WP 92-1549
The occurrence of airborne (aerophytic) algae on wood is a very frequent phenomenon. However, there is currently a lack of information concerning their effect on the wood tissue. Some important genus of algae infesting wood under natural conditions are listed, as well as the results of experimental studies in the "in vitro" culture concerning the effect of two selected algal species on some physic...
K J Krajewski, J Wazny


New conception for shortering the duration of fungitoxic test of wood preservatives. Part 3: Proposal for interlaboratory test on miniaturisation of wood specimens
1994 - IRG/WP 94-20053
In connection with documents IRG/WP 94-20044 and IRG/WP 94-20052 the proposal for interlaboratory test on miniaturization of wood specimens is given....
J Wazny, J J Krajewski


Toxic value estimation of wood preservatives by using the probit analysis
1990 - IRG/WP 2348
As it was assumed from previous experiments, the probit analysis appears to be the most suitable method of all used to estimate the toxic value of wood preservatives. With the help of the classical agar-block method the probit analysis was tested for its suitability in: 1) fungitoxic value estimation of the WR-3 preservative (quaternary ammonium compound + borate), as compared to different test fu...
J Wazny, K J Krajewski


New conception for shortering the duration of fungitoxic test of wood preservatives. Part 2: Computer-assisted miniaturisation of wood specimens
1994 - IRG/WP 94-20052
The mass loss of wood used as a criterion in the standarised agar-block method of evaluation of toxic value of preservatives depends upon the relationship between volume of specimens, their outspread planes and ratio of areas of particular anatomic sections. Upon the computer-assisted mathematical basis the dimensions of miniaturized specimens which make 1/2, 1/4, and 1/8 part of standarized ones ...
J Wazny, K J Krajewski


Determination of fungitoxic value of preservatives in laboratory wood-block tests. Part 2: Statistical estimation
1989 - IRG/WP 2327
Laboratory modified agar-block tests were made to determine the fungitoxic value of the wood preservative CCA against the test fungus Serpula lacrymans using statistical methods. With the aid of statistical computer programmes based on the least square method. the regression equation was found for the dependence between sample mass loss and preservative retention both in terms of percentage and fo...
J Wazny, J D Thornton, K J Krajewski