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has been cited by the following article:

• TITLE: Application of Portable Near-Infrared Spectrometer for Analysis of Organic Carbon in Marine Sediments

  AUTHORS: Jing Yu, Jiangmei Mao, Tao Pan, Pimao Chen, Lijun Yao

  KEYWORDS: Marine Sediments, Organic Carbon, Near-Infrared Spectroscopy, Portable Spectrometer

  JOURNAL NAME: Journal of Geoscience and Environment Protection, Vol.5 No.5, May 25, 2017

  ABSTRACT: The performance of a portable near-infrared (NIR) spectrometer to determine organic carbon (OC) in marine sediments was evaluated. The NIR reflection spectra of 180 samples in the range 950 - 1650 nm were acquired using an ultra-compact spectrometer. NIR spectroscopy combined with the partial least squares (PLS) regression and Savitzky-Golay (SG) smoothing was successfully applied to rapid and reagent-free determination of OC. Using the PLS-SG model with 1nd order derivative, 2th polynomial and eleven smoothing points, the root-mean-square errors (RMSEPM) and correlation coefficients (RP,M) of prediction for modeling were 0.073% and 0.894, respectively, the root-mean-square errors (RMSEPV) and correlation coefficients (RP,V) of prediction for validation were 0.075% and 0.883, respectively. Results showed that the small portable NIR instrument achieved well prediction effect for the analysis of OC in marine sediments, which had advantages of rapid, easy to carry and operate suitable for large-scale applications to analyze marine sediments.