caa a22 4500 378867652 CHVBK 20180305123401.0 cr unu---uuuuu 161128e20030820xx s 000 0 eng 10.1515/HF.2003.077 doi (NATIONALLICENCE)gruyter-10.1515/HF.2003.077 Analysis of Pinus radiata D. Don Bark by Near Infrared Spectroscopy [Elektronische Daten] [L. R. Schimleck, Y. Yazaki] The estimation of a range of Pinus radiata D. Don bark properties by calibrated near infrared (NIR) spectroscopy is reported. A series of P. radiata samples were characterised in terms of hot water extractives, NaOH extractives and Stiasny value. NIR spectra were obtained from the milled bark of each sample and used to develop calibrations for each parameter. Coefficients of determination (R2) ranged from 0.84 (NaOH extractives) to 0.94 (Stiasny value). Standard errors of calibration ranged from 0.96 (NaOH extractives) to 2.47 (Stiasny value). When applied to a separate test set, the hot water extractives and Stiasny value calibrations performed well, while the NaOH calibration was disappointing. The calibration developed for Stiasny value could be of considerable practical importance as the method used to determine Stiasny value is particularly time consuming. Copyright © 2003 by Walter de Gruyter GmbH & Co. KG Timber & wood processing nationallicence Biotechnology nationallicence Materials science nationallicence Schimleck L. R. aut Yazaki Y. aut Holzforschung Walter de Gruyter 57/5(2003-08-20), 520-526 0018-3830 57:5<520 2003 57 hfsg https://doi.org/10.1515/HF.2003.077 text/html Onlinezugriff via DOI 1 research article jats NATIONALLICENCE 856 40 https://doi.org/10.1515/HF.2003.077 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Schimleck L. R. aut NATIONALLICENCE 700 1- Yazaki Y. aut NATIONALLICENCE 773 0- Holzforschung Walter de Gruyter 57/5(2003-08-20), 520-526 0018-3830 57:5<520 2003 57 hfsg CC0 http://creativecommons.org/publicdomain/zero/1.0 nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-gruyter