detail view sample V23_025
| treatment method: | Einstufige PEG-Konservierung |
| Conservation Laboratory: | Natmus Kopenhagen |
|
|||||
| wet weight | 1102.1 g | weight under water | 69.7 g | ||||
| weight after impregnation | no value | weight after drying | 683.5 g | ||||
| Umax | 427.0 % | degree of degradation | 1 | ||||
| residual density | 0.20 g/cm3 | volume (water displacement) | 1032.4 cm3 | ||||
| density before conservation | 1.07 g/cm³ | final density | 0.64 g/cm³ | ||||
| impregnation | no value | proportion of impregnating agent | 67.6 % | ||||
| nail spacing | before | after | shrinkage |
| radial | 59.0 mm | 59.7 mm | -1.2 % |
| tangential | 47.3 mm | 50.1 mm | -5.9 % |
| longitudinal | 105.5 mm | 105.3 mm | 0.2 % |
| volume shrinkage: | -7.0 % | ||
| ASE-radial | 108.9 % | ASE-tangential | 143.1 % |
| ASE-longitudinal | 95.8 % | ASE volume | 124.7 % |
| volume (previous state) | 1031.4 cm3 | volume (final state) | 1063.4 cm3 | volume shrinkage | -3.1 % |
| surface (previous state) | 663.7 cm2 | surface (final state) | 662.3 cm2 | Surface change | -0.2 % |
| radial cut surface (previous state) | 7949.1 mm2 | radial cut surface (final state) | 8090.0 mm2 | radial shrinkage | -1.8 % |
| tangential cut surface (previous state) | 6564.5 mm2 | tangential cut surface (final state) | 6901.5 mm2 | tangential shrinkage | -5.1 % |
| longitudinal measurement (previous state) | 154.6 mm | average length change | -0.3 mm | longitudinal shrinkage | -0.3 % |
| ASE-radial | 105.5 % | ASE-tangential | 117.3 % |
| ASE-longitudinal | 116.8 % | ASE volume | 106.0 % |
|
|||||
| pretreatment | Keine weitere Vorbehandlung | |
| impregnation | impregnant: | PEG 2000, 10-40%-Lösung mit Leitungswasser |
| impregnation process: | Einlegen der Hölzer in 10%-PEG 2000-Lsg., steigern der Konzentration bis auf 40%, keine zusätzliche Erwärmung der Bäder - Tränkung bei Raumtemperatur | |
| drying | Gefriertrocknung in gekühlter Kammer (ca. -30°C) | |
| aftercare | Entfernen des PEG-Überschusses von der Oberfläche mit weichem Pinsel und Ethanol | |
| duration pretreatment | no value | duration impregnation | 149 weeks | duration drying | 20 weeks |
| total duration of conservation: | 169 weeks | ||||
» back