Development and optimization of natural dye-based crayons from Rumex abyssinicus using Box-Behnken methodology
Abstract This study presents the first exploration of natural dye extracted from Rumex abyssinicus for crayon formulation, leveraging its local availability and environmental sustainability. The work focused on evaluating the effects of paraffin wax, talc, extracted dye, and temperature on the crayo...
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| Hauptverfasser: | , , |
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| Format: | Artigo |
| Sprache: | Inglês |
| Veröffentlicht: |
SpringerOpen
2026-01-01
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| Schriftenreihe: | Journal of Materials Science: Materials in Engineering |
| Schlagworte: | |
| Online-Zugang: | https://doi.org/10.1186/s40712-026-00407-y |
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