detail view sample V30_010

sample: V30_010
treatment method: Einstufige PEG-Konservierung
Conservation Laboratory: Natmus Kopenhagen

Before and after view

sample
wet weight 515 g weight under water 21.1 g
weight after impregnation no value weight after drying 270.7 g
Umax 714.0 % degree of degradation 1
residual density 0.13 g/cm3 volume (water displacement) 493.9 cm3
density before conservation 1.05 g/cm³ final density 0.54 g/cm³
impregnation no value proportion of impregnating agent 75.2 %

survey data (caliper method)
nail spacing before after shrinkage
radial 28.6 mm 28.4 mm 0.7 %
tangential 31.4 mm 31.7 mm -1.1 %
longitudinal 82.8 mm 82.8 mm 0.0 %
volume shrinkage: -0.4 %

ASE-radial 96.9 % ASE-tangential 103.8 %
ASE-longitudinal 99.7 % ASE volume 100.8 %

survey data (3D scan)
volume (previous state) 490.5 cm3 volume (final state) 500.0 cm3 volume shrinkage -1.9 %
surface (previous state) 361.4 cm2 surface (final state) 366.9 cm2 Surface change 1.5 %
radial cut surface (previous state) 4577.4 mm2 radial cut surface (final state) 4665.8 mm2 radial shrinkage -1.9 %
tangential cut surface (previous state) 3678.9 mm2 tangential cut surface (final state) 3766.1 mm2 tangential shrinkage -2.4 %
longitudinal measurement (previous state) 109.4 mm average length change -0.3 mm longitudinal shrinkage -0.5 %

ASE-radial 107.1 % ASE-tangential 105.1 %
ASE-longitudinal 105.4 % ASE volume 104.4 %

scan view [open 3D view in new tab]

preservation method (details)
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, Fixieren der Rinde mit Paraloid B72 (40% in Ethanol)

time data
duration pretreatment no value duration impregnation 149 weeks duration drying 20 weeks
total duration of conservation: 169 weeks

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