... and do not cause any change in dimensions of the wood. Alcohol, however, causes wood to swell slightly. In addition to wood substances, wood contains extraneous constituents which can be removed fairly easily by extraction with suitable solvents and... Report - Page 61930Full view
- About this book
Forest products - 1934
...extraneous constituents that can be removed fairly easily by extraction with suitable solvents and arc vory variable in nature and in amount, differing not only between species but often between hcartwood and sapwood and in the heartwood in different parts of the same tree. The extraneous...