Method for fast identifying source tree varieties of pine gum by means of near infrared spectroscopy

A near-infrared spectrum and near-infrared technology, applied in the field of spectral technology to identify the source of substances, can solve the problems of low efficiency and high cost of testing methods, and achieve the effects of fast detection speed, fast identification and high analysis accuracy

Inactive Publication Date: 2018-10-12
GUANGXI UNIV FOR NATITIES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The embodiment of the present invention provides a method for quickly identifying tree species of pine resin source by near-infrared spectroscopy, which is used to solve the problem of low efficiency and high cost of the test method for identifying tree species of pine resin source in the prior art

Method used

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  • Method for fast identifying source tree varieties of pine gum by means of near infrared spectroscopy
  • Method for fast identifying source tree varieties of pine gum by means of near infrared spectroscopy
  • Method for fast identifying source tree varieties of pine gum by means of near infrared spectroscopy

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Embodiment 1

[0043] A kind of near-infrared spectrum technology fast identification method for the source tree species of pine resin comprises the following steps:

[0044] Step 11: collecting a plurality of samples of a pine resin source tree species for establishing a calibration set for a near-infrared identification model;

[0045] 82 pine resin samples were collected, with a single sample collection volume of 50g. The collection locations were Wuming, Fangcheng, Fuchuan, Wuzhou, Baise, and Leye. The turpentine samples included two types: masson pine and slash pine. Among them, 51 are masson pine resin and 31 are slash pine resin. After the sample is collected, remove impurities such as bark, branches and leaves, import it into the sample bottle, seal it, and store it in the refrigerator to refrigerate the calibration set sample to be established for the near-infrared recognition model.

[0046] Set masson pine resin as category "1" and slash pine resin as category "-1" as the respons...

Embodiment 2

[0085] A kind of near-infrared spectrum technology fast identification method for the source tree species of pine resin comprises the following steps:

[0086] Step 21: collecting a plurality of samples of a pine resin source tree species, which are used to establish a calibration set sample of a near-infrared identification model;

[0087] 82 pine resin samples were collected, with a single sample collection volume of 50g. The collection locations were Wuming, Fangcheng, Fuchuan, Wuzhou, Baise, and Leye. The turpentine samples included two types: masson pine and slash pine. Among them, 51 are masson pine resin and 31 are slash pine resin. After the sample is collected, remove impurities such as bark, branches and leaves, import it into the sample bottle, seal it, and store it in the refrigerator to refrigerate the calibration set sample to be established for the near-infrared recognition model.

[0088] Set masson pine resin as category "1" and slash pine resin as category "...

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Abstract

The invention discloses a method for fast identifying the source tree varieties of pine gum by means of the near infrared spectroscopy. The method is used for solving the problems that in the prior art, test methods for identifying the source tree varieties of doped pine gum, the efficiency is low, and the cost is high. The method for fast identifying the source tree varieties of the pine gum by means of the near infrared spectroscopy comprises the steps that multiple samples of the source tree varieties of the pine gum are collected and used for building a calibration set sample of a near infrared identification model; by means of spectral analysis, near infrared spectroscopy data of the samples is measured; the near infrared identification model with the samples corresponding to the resource varieties of the pine gum is built; near infrared spectroscopy data of the samples of the source tree varieties of the to-be-identified pine gum is measured, the near infrared spectroscopy data is put into the near infrared identification model for comparison, and then the source tree varieties of the pine gum of the samples are obtained.

Description

technical field [0001] The invention relates to the field of identification of material sources by spectral technology, in particular to a method for quickly identifying tree species from pine resin by near-infrared spectral technology. Background technique [0002] Pine resin is a natural resin secreted by adipocytes in the resin duct of Pinus species, and is a secondary product of pine physiological metabolism. Pine resin is the raw material for making rosin and turpentine. It is collected from natural plants such as masson pine, slash pine, Yunnan pine, southern Asian pine, Caribbean pine, and loblolly pine, among which masson pine and slash pine are the most important tree species. The quality of rosin directly affects the main quality indicators such as the color, softening point, impurities and crystallization of rosin, and also indirectly affects the process conditions and product quality of downstream products of rosin. In the actual production process, since the su...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/3563
CPCG01N21/3563
Inventor 严军黄晓萍朱伟伟雷福厚谭学才
Owner GUANGXI UNIV FOR NATITIES
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