Abstract. The determination of residual water content is vital for the quality control of high explosives, such as octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine (HMX). However, conventional analytical methods are time-consuming and inaccurate. We have proposed a simple, sensitive, and accurate method for moisture determination based on terahertz (THz) time-domain spectroscopy. A model based on effective medium theory was implemented by a third-order extension of the Landau, Lifshitz, and Looyenga model to predict the moisture content of HMX based on THz spectroscopy. The predicted values of moisture content based on the model were found to be in excellent agreement with the results obtained using gravimetric measurements. Overall, the results proved the effectiveness of the proposed method for rapid and accurate moisture determination of HMX.

中文翻译：

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使用太赫兹时域光谱法测定八氢-1,3,5,7-四硝基-1,3,5,7-四氮唑中的水分含量

摘要。残留水含量的测定对于烈性炸药的质量控制至关重要，例如八氢-1,3,5,7-四硝基-1,3,5,7-四唑辛 (HMX)。然而，传统的分析方法既耗时又不准确。我们提出了一种基于太赫兹 (THz) 时域光谱的简单、灵敏且准确的水分测定方法。基于有效介质理论的模型通过 Landau、Lifshitz 和 Looyenga 模型的三阶扩展实现，以基于太赫兹光谱预测 HMX 的水分含量。发现基于该模型的水分含量预测值与使用重量测量获得的结果非常一致。总体而言，结果证明了所提出的方法对 HMX 快速准确水分测定的有效性。