[Prediction of As in soil with reflectance spectroscopy].

  title={[Prediction of As in soil with reflectance spectroscopy].},
  author={Guang-Hui Zheng and Sheng-lu Zhou and Shao-hua Wu},
  journal={Guang pu xue yu guang pu fen xi = Guang pu},
  volume={31 1},
In the present study, visible-near infrared reflectance spectroscopy (VNIR) measured in laboratory was evaluated for prediction of the content of As in soils. Calibrations between As and reflectance were developed using cross-validation under partial least squares regression (PLSR). Prediction accuracy was tested via separate validation samples. The reflectance was pre-processed by several techniques like smoothing, multiplicative scatter correction (MSC), Log(1/R), first/second derivative (F… CONTINUE READING
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