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首页> 外文期刊>Journal of Wood Chemistry and Technology >Definition of QC Parameters for the Practical Use of FTIR-ATR Spectroscopy in the Analysis of Surface Treatment of Cork Stoppers
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Definition of QC Parameters for the Practical Use of FTIR-ATR Spectroscopy in the Analysis of Surface Treatment of Cork Stoppers

机译：FTIR-ATR光谱法在软木塞表面处理分析中的实际应用中QC参数的定义

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摘要

The aim of this investigation has been to define universal parameters that could be extracted in a straightforward way from FTIR-ATR spectra for the quality control (QC) of cork stoppers for paraffin and silicone; i.e., the most common components in surface treatment for lubrication and sealing. Three indicators, namely TC (total coating), SC (silicone coating), and PC (paraffin coating), are proposed, which are readily obtained from ratios of absorbances of some characteristic bands due to cork, paraffin, and silicone. These indicators are deduced with a minimum of approximations, they are solely connected with the amount of the species on the surface, and do not depend on the instrument used for the analysis. The validity of the methodology proposed has been tested with cases coming from real life, being applicable to natural cork stoppers, 1+1 and agglomerate types. Some guidelines are also provided for its application in case of colmated stoppers. Finally, other approaches that may take advantage of the readiness and non-invasive features of FTIR-ATR spectroscopy are discussed.
机译：这项研究的目的是定义可以从FTIR-ATR光谱中直接提取的通用参数，以用于石蜡和硅酮软木塞的质量控制（QC）。即用于润滑和密封的表面处理中最常见的组件。提出了三种指示剂，即TC（总涂层），SC（有机硅涂层）和PC（石蜡涂层），它们可以从由于软木，石蜡和硅酮而产生的某些特征谱带的吸光度之比中轻松获得。这些指标的推论是最小的，它们仅与表面物质的数量有关，而不依赖于用于分析的仪器。所提出的方法的有效性已通过实际案例进行了测试，适用于天然软木塞，1 + 1和附聚物类型。还提供了一些指南，适用于塞子堵塞的情况。最后，讨论了可利用FTIR-ATR光谱学的就绪性和非侵入性特征的其他方法。

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