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首页> 外文期刊>RSC Advances >Detection of domestic detergent residues on porcelain tableware using laser induced breakdown spectroscopy
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Detection of domestic detergent residues on porcelain tableware using laser induced breakdown spectroscopy

机译：使用激光诱导击穿光谱法检测瓷餐具上的家用洗涤剂残留

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Domestic detergents are widely used and the detection of detergent residues on tableware is closely related to people's health. As is known to all, it is difficult to sample and measure the residual detergent on tableware. The purpose of this paper is to explore a rapid in situ detergent residues detection method. We have using laser-induced breakdown spectroscopy (LIBS) measured the detergent on porcelain plate. Based on our previous research, we further studied the spectra of detergent in argon atmosphere, and compared them with that in air. We found the spectral characteristics of the cyanogroup (CN) were related to the air around the measuring point. It was indicated that CN could not as previously speculated be used as the LIBS detection feature of detergent. The improvement of signal-to-noise ratio (SNR) in argon environment was proved and we made a study of semi quantitative measurement by the peak height of 330.30 nm in argon atmosphere. An experiment measuring the detergent on tableware after washed was taken. It illustrated that the LIBS technology has promising potential applications for tableware cleaning process or food production process as a means of on-line detection.
机译：家用洗涤剂广泛使用，餐具上洗涤剂残留的检测与人们的健康密切相关。众所周知，很难对餐具上的残留洗涤剂进行采样和测量。本文的目的是探索一种快速的原位洗涤剂残留检测方法。我们已经使用激光诱导击穿光谱法（LIBS）测量了瓷板上的洗涤剂。在之前的研究基础上，我们进一步研究了氩气中去污剂的光谱，并将其与空气中的光谱进行了比较。我们发现氰基（CN）的光谱特征与测量点周围的空气有关。表明CN不能像以前推测的那样用作洗涤剂的LIBS检测特征。证明了在氩气环境下信噪比（SNR）的改善，并且我们通过在氩气环境下330.30 nm的峰高进行了半定量测量的研究。进行了在洗涤后测量餐具上的洗涤剂的实验。它表明，LIBS技术作为在线检测手段在餐具清洁过程或食品生产过程中具有广阔的应用前景。

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