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| Klason Lignin× | Rendgenografska denzitometrija× | |
|---|---|---|
| Oblast | Šumarstvo | Šumarstvo |
| Porodica | Process / pipeline | Process / pipeline |
| Godina nastanka≠ | 1908 | 2005 |
| Tvorac≠ | Erik Klason | Gabriel Gazo |
| Tip≠ | chemical analysis | measurement method |
| Temeljni izvor≠ | TAPPI T222 om-15. (2015). Acid-insoluble lignin in wood and pulp. TAPPI Press. link ↗ | Hansmann, C., Wimmer, R., & Gindl, W. (2007). Assessing damage in wood-polymer composites by depth-sensing indentation. Composites Part A, 38(6), 1502–1508. link ↗ |
| Drugi nazivi | acid-insoluble lignin, lignin content | wood density, radiography |
| Srodne | 3 | 3 |
| Sažetak≠ | The Klason lignin method is a standard chemical test for quantifying the acid-insoluble lignin content in wood and plant biomass. Developed by Erik Klason in 1908, the method treats wood with sulfuric acid to dissolve carbohydrates (cellulose and hemicellulose) while leaving the acid-insoluble lignin residue. Klason lignin is widely used in wood science, pulp chemistry, and biomass characterization to assess wood composition and predict properties. | X-ray densitometry is a nondestructive method for measuring wood density, microdensity profiles, and ring-by-ring density variation in wood samples using X-ray image analysis. The method uses attenuation of X-rays passing through wood to quantify mass per unit volume. It enables rapid assessment of wood quality without destroying material, making it valuable for research, timber grading, and genetic selection programs. |
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