detail view sample V30_014

sample: V30_014
treatment method: Einstufige PEG-Konservierung
Conservation Laboratory: Natmus Kopenhagen

Before and after view

sample
wet weight 400.8 g weight under water 17.5 g
weight after impregnation no value weight after drying 212.4 g
Umax 663.0 % degree of degradation 1
residual density 0.14 g/cm3 volume (water displacement) 383.3 cm3
density before conservation 1.05 g/cm³ final density 0.55 g/cm³
impregnation no value proportion of impregnating agent 73.8 %

survey data (caliper method)
nail spacing before after shrinkage
radial 23.0 mm 22.8 mm 0.7 %
tangential 26.5 mm 25.4 mm 4.0 %
longitudinal 84.1 mm 83.7 mm 0.4 %
volume shrinkage: 5.1 %

ASE-radial 96.6 % ASE-tangential 86.4 %
ASE-longitudinal 96.4 % ASE volume 89.9 %

survey data (3D scan)
volume (previous state) 382.8 cm3 volume (final state) 383.4 cm3 volume shrinkage -0.2 %
surface (previous state) 302.3 cm2 surface (final state) 301.4 cm2 Surface change -0.3 %
radial cut surface (previous state) 4463.2 mm2 radial cut surface (final state) 4464.6 mm2 radial shrinkage 0.0 %
tangential cut surface (previous state) 3298.8 mm2 tangential cut surface (final state) 3308.7 mm2 tangential shrinkage -0.3 %
longitudinal measurement (previous state) 110.2 mm average length change -0.1 mm longitudinal shrinkage -0.3 %

ASE-radial 100.1 % ASE-tangential 100.7 %
ASE-longitudinal 102.8 % ASE volume 100.4 %

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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