Application of near-infrared spectroscopy for the fast detection and sorting of wood–plastic composites and waste wood treated with wood preservatives

2015 ◽  
Vol 50 (2) ◽  
pp. 313-331 ◽  
Author(s):  
Dirk Mauruschat ◽  
Burkhard Plinke ◽  
Jochen Aderhold ◽  
Jan Gunschera ◽  
Peter Meinlschmidt ◽  
...  
2016 ◽  
Vol 50 (4) ◽  
pp. 705-714 ◽  
Author(s):  
Gaiyun Li ◽  
Wanli Lao ◽  
Xianwu Zou ◽  
Yanming Han ◽  
Dongbin Fan

1998 ◽  
Vol 6 (A) ◽  
pp. A171-A173 ◽  
Author(s):  
Roger Feldhoff ◽  
Thomas Huth-Fehre ◽  
Karl Cammann

The recycling of waste wood causes great problems due to the variety of toxic wood preservatives, varnishes and paints used. The fast and reliable distinction and sorting of treated and untreated wood on demolition sites could open new ways of wood recycling, e. g. for the production of chip boards. For this purpose, prepared wood samples treated with inorganic wood preservatives (arsenic, boron, copper salts) were investigated by near infrared-spectroscopy. In most cases, treated wood samples could be distinguished from untreated ones. Furthermore the type of wood preservative could be identified. The observed spectral features are electronic absorption bands and changes in the OH–band due to interaction with salt molecules.


2015 ◽  
Vol 671 ◽  
pp. 356-362 ◽  
Author(s):  
Zhi Feng Chen ◽  
Yuan Quan Hong ◽  
Chang Jiang Wan ◽  
Lian Ying Zhao

A fast non-destructive method of detection of wool content in blended fabrics was studied based on Near Infrared spectroscopy technology in order to avoid the time-consuming, tedious work and the destruction of samples in the traditional inspection. 621 wool/nylon, wool/polyester and wool/nylon/polyester blended fabrics were taken as research objects. To get the wool content, we established the wool near-infrared quantitative model by partial least squares (PLS) method after analyzing the color and composition of the samples. For verifying the validity and practicability of the model, 100 samples were chosen as an independent validation set. The variance analysis shows that there is no significant difference between Near Infrared fast detection method and national standard method (GB/T2910-2009),which indicates that this method is expected to be a means of fast non-destructive detection and will have extensive application future in the field of wool content detection.


Food Control ◽  
2020 ◽  
Vol 110 ◽  
pp. 107009 ◽  
Author(s):  
Maria Olga Varrà ◽  
Luca Fasolato ◽  
Lorenzo Serva ◽  
Sergio Ghidini ◽  
Enrico Novelli ◽  
...  

Food Control ◽  
2019 ◽  
Vol 99 ◽  
pp. 68-72 ◽  
Author(s):  
Maribel Alexandra Quelal-Vásconez ◽  
María Jesús Lerma-García ◽  
Édgar Pérez-Esteve ◽  
Alberto Arnau-Bonachera ◽  
José Manuel Barat ◽  
...  

2012 ◽  
Vol 239-240 ◽  
pp. 223-228
Author(s):  
Jing Yin

According to the status of lacking fast detection technology to adulteration olive oil, the paper presented a new method based on near infrared spectroscopy technology and pattern recognition. 10 samples of pure olive oil were collected. 2 kinds of adulteration samples were respectively made up with soybean oil and rapeseed oil. The Identification models were build respectively by support vector machines and hierarchial clustering. The result showed that the model’s performance built by SVM was better than the model by hierarchial clustering. The recognition ratio and prediction ratio of SVM were 100%.The experiments shown that the fast detection technology based on NIR and pattern recognition had better feasibility and practicability in identifying adulteration olive oil.


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