Nota de aplicación
Paper that contains no free acids, thus providing greater permanence and durability; the term does not necessarily imply that the paper is alkaline-buffered. Acid-free paper is typically produced from cotton linters, rags, esparto grass, or chemical wood pulp which minimizes the potential for acid and/or lignin in the pulp. Acid-free paper may also contain a buffering material to maintain a pH in the neutral to slightly alkaline range. This helps scavenge any acidic materials formed by bleaching residues, sizes, degradation products, or air pollutants.
Ubicación jerarquía
- faceta materiales
- .. materiales (nombre jerárquico)
- .... material
- ...... <materiales por forma>
- ........ <materiales por forma física>
- .......... <fibra y productos de fibra>
- ............ <producto de fibra>
- .............. papel (producto de fibra)
- ................ <papel por composición u origen>
- .................. acid-free paper
- .................. alkaline paper
- .................. bark paper [+]
- .................. gampi (paper)
- .................. hemp paper
- .................. japan paper
- .................. kozo (paper)
- .................. papel de trapo [+]
- .................. rayon paper
- .................. papel de arroz
- .................. Sanchipat
- .................. synthetic paper
- .................. papel sin apresto
- .................. papel de pasta de madera [+]
- .................. wood-free paper