detail view sample V23_023
| treatment method: | Einstufige PEG-Konservierung |
| Conservation Laboratory: | Natmus Kopenhagen |
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| wet weight | 984 g | weight under water | 61.9 g | ||||
| weight after impregnation | no value | weight after drying | 617.5 g | ||||
| Umax | 430.0 % | degree of degradation | 1 | ||||
| residual density | 0.20 g/cm3 | volume (water displacement) | 922.1 cm3 | ||||
| density before conservation | 1.06 g/cm³ | final density | 0.64 g/cm³ | ||||
| impregnation | no value | proportion of impregnating agent | 68.1 % | ||||
| nail spacing | before | after | shrinkage |
| radial | 43.1 mm | 42.6 mm | 1.1 % |
| tangential | 33.5 mm | 35.2 mm | -5.0 % |
| longitudinal | 105.8 mm | 105.3 mm | 0.4 % |
| volume shrinkage: | -3.5 % | ||
| ASE-radial | 92.2 % | ASE-tangential | 136.6 % |
| ASE-longitudinal | 89.7 % | ASE volume | 112.1 % |
| volume (previous state) | 927.0 cm3 | volume (final state) | 969.0 cm3 | volume shrinkage | -4.5 % |
| surface (previous state) | 608.6 cm2 | surface (final state) | 615.0 cm2 | Surface change | 1.1 % |
| radial cut surface (previous state) | 9269.9 mm2 | radial cut surface (final state) | 9192.8 mm2 | radial shrinkage | 0.8 % |
| tangential cut surface (previous state) | 5677.3 mm2 | tangential cut surface (final state) | 6016.3 mm2 | tangential shrinkage | -6.0 % |
| longitudinal measurement (previous state) | 138.1 mm | average length change | -0.3 mm | longitudinal shrinkage | -0.4 % |
| ASE-radial | 97.4 % | ASE-tangential | 120.1 % |
| ASE-longitudinal | 121.0 % | ASE volume | 108.8 % |
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| 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 | ||||
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