THE DETERMINATION OF POLYETHLYLENE GLYCOL AND WATER IN ARCHAEOLOGICAL WOOD USING INFRARED SPECTROSCOPY AND STEPWISE MULTIPLE LINEAR REGRESSION

THE DETERMINATION OF POLYETHLYLENE GLYCOL AND WATER IN ARCHAEOLOGICAL WOOD USING INFRARED SPECTROSCOPY AND STEPWISE MULTIPLE LINEAR REGRESSION
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使用红外光谱和逐步多元线性回归测定考古木材中的聚乙二醇和水

DOI：
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发表时间：
2012
期刊：
影响因子：
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通讯作者：
Anthony M. Kennedy
Anthony M. Kennedy
中科院分区：
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文献类型：
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作者：
Rohan Patel;Jessica Bingham;S. Daniel;Sarah Watkins;Anthony M. Kennedy

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聚乙二醇（PEG）是最常用的防腐剂，用于膨胀和保持水淹木材的结构完整性。因此，保护人员需要能够以非破坏性的方式确定木材中的聚乙二醇浓度。本文重点介绍了红外光谱结合多元分析技术同时预测聚乙二醇400 （PEG-400）和水浓度的研究。该技术利用衰减全反射（ATR）光谱和无约束逐步多元线性回归（SMLR）分析来预测考古木材中的多种成分。利用该模型，我们计算了经过处理的考古浸水木材样品中PEG-400和水的浓度。
Polyethylene glycol (PEG) is the most common preservative in use for bulking and maintaining structural integrity in waterlogged wood. Conservators therefore have a need to be able to determine PEG concentrations in wood in a non-destructive manner. We present a study highlighting the application of infrared spectroscopy coupled with multivariate analysis techniques to predict the concentration of polyethylene glycol 400 (PEG-400) and water simultaneously. This technique uses attenuated total reflectance (ATR) spectroscopy and unconstrained stepwise multiple linear regression (SMLR) analysis for prediction of multiple components in archaeological wood. Using this model we have calculated the concentration of PEG-400 and water in treated archaeological waterlogged wood samples.