detail view sample V30_004

sample: V30_004
treatment method: Einstufige PEG-Konservierung
Conservation Laboratory: Natmus Kopenhagen

Before and after view

sample
wet weight 323.93 g weight under water 16.83 g
weight after impregnation no value weight after drying 178 g
Umax 542.0 % degree of degradation 1
residual density 0.16 g/cm3 volume (water displacement) 307.1 cm3
density before conservation 1.06 g/cm³ final density 0.58 g/cm³
impregnation no value proportion of impregnating agent 69.9 %

survey data (caliper method)
nail spacing before after shrinkage
radial 27.4 mm 27.2 mm 0.8 %
tangential 20.8 mm 20.6 mm 1.2 %
longitudinal 74.2 mm 74.1 mm 0.1 %
volume shrinkage: 2.1 %

ASE-radial 96.1 % ASE-tangential 96.1 %
ASE-longitudinal 98.7 % ASE volume 95.9 %

survey data (3D scan)
volume (previous state) 307.0 cm3 volume (final state) 306.7 cm3 volume shrinkage 0.1 %
surface (previous state) 261.3 cm2 surface (final state) 261.5 cm2 Surface change 0.0 %
radial cut surface (previous state) 3913.9 mm2 radial cut surface (final state) 3910.0 mm2 radial shrinkage 0.1 %
tangential cut surface (previous state) 3134.0 mm2 tangential cut surface (final state) 3192.7 mm2 tangential shrinkage -1.9 %
longitudinal measurement (previous state) 108.6 mm average length change -0.2 mm longitudinal shrinkage -0.3 %

ASE-radial 99.6 % ASE-tangential 104.1 %
ASE-longitudinal 103.2 % ASE volume 99.8 %

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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