[1]周帅①,邓国栋①,李大勇②,等.近红外漫反射光谱法快速检测火药吸收药混合液中黑索今组分含量[J].爆破器材,2015,44(06):54-59.[doi:10.3969/j.issn.1001-8352.2015.06.013]
　ZHOU Shuai,DENG Guodong,LI Dayong,et al.Fast Determination of RDX Content in Gunpowder Absorbent Powder by Near Infrared Spectroscopy Technique[J].EXPLOSIVE MATERIALS,2015,44(06):54-59.[doi:10.3969/j.issn.1001-8352.2015.06.013]
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近红外漫反射光谱法快速检测火药吸收药混合液中黑索今组分含量()
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
44
期数:
2015年06
页码:
54-59
栏目:
出版日期:
2015-12-03

文章信息/Info

Title:
Fast Determination of RDX Content in Gunpowder Absorbent Powder by Near Infrared Spectroscopy Technique
文章编号:
4947
作者:
周帅①; 邓国栋①; 李大勇②; 鲁磊明①
①南京理工大学国家特种超细粉体工程技术研究中心(江苏南京,210094)
②辽宁庆阳特种化工有限公司(辽宁辽阳,111002)
Author(s):
ZHOU Shuai①;  DENG Guodong①;  LI Dayong②;  LU Leiming①
①National Special Superfine Powder Engineering Center, Nanjing University of Science and Technology（Jiangsu Nanjing，210094)
②Liaoning Qingyang Chemical Industry Corporation (Liaoning Liaoyang, 111002)
关键词:
分析化学; 近红外漫反射光谱; 快速检测; 火药吸收药; 黑索今
Keywords:
analytical chemistry;  near infrared spectroscopy;  fast determination;  gunpowder absorbent powder;  cyclotrimethylene trinitramine
分类号:
TQ560.7;O657.3
DOI:
10.3969/j.issn.1001-8352.2015.06.013
文献标志码:
A
摘要:
研究了采用近红外（NIR）漫反射光谱技术快速检测火药吸收药混合液中黑索今（RDX）组分含量的方法。将装有混合液样品的烧杯置于光谱仪主机光源窗口上方，直接采集样品光谱图。通过分析纯RDX和样本的近红外光谱，确定908~945 nm、1 094~1 253 nm和 1 577~1 678 nm作为建模谱区。通过比较不同的光谱预处理办法的效果，选择标准正态变换（SNV）+一阶导数+谱线平滑对原始光谱进行预处理。采用偏最小二乘方法（PLS）对RDX组分建立了定量线性校正模型。结果表明：模型的交叉验证决定系数（R2cv）为0.987 9，交叉验证均方根误差（RMSECV）为0.242 0，预测均方根误差（RMSEP）为0.212 7，预测结果的平均相对误差为0.566 1%， 25 s内完成样品分析。该方法可给改性双基火药的连续自动化生产提供技术支持。
Abstract:
In this study, near infrared (NIR) spectroscopy was used to determine the cyclotrimethylene trinitramine (RDX) content in gunpowder absorbent powder. The beaker filled with mixed liquor samples was placed above the window of spectrometer light source to directly record the spectra. Three optimum spectral intervals, including 908-945 nm, 1094-1253 nm and 1577-1678 nm, were chosen to construct the model by the analysis of NIR spectra of pure solid RDX and samples. Through comparison of different spectral preprocessing method, the optimum pretreatment method of SNV+ 1st+ smooth was selected. A quantitative chemometrics model based on the characteristic spectral regions of RDX was established using the partial least squares (PLS). The results show that the determination coefficient (R2cv) of crossvalidation is 0.987 9, the root mean square error of crossvalidation (RMSECV) is 0.242 0, and the root mean square error of predication (RMSEP) is 0.212 7. In addition, the average relative error of prediction is 0.566 1%, and the time for determination is less than 25 seconds. In conclusion, the analysis method can provide technical support for continuous and automatic production of gunpowder.

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备注/Memo

备注/Memo:
收稿日期：2015-03-27
基金项目：国防火炸药科研专项项目（AS03144）
作者简介：周帅（1992 ~），男，硕士研究生，主要从事含能材料检测研究。E-mail：zhoushuai0220@126.com
通信作者：邓国栋（1965~），男，高级工程师，主要从事含能材料工艺研究。E-mail：13505196092@163.com
更新日期/Last Update: 2015-12-03