Quantitative analysis of toxic elements in polypropylene (PP) via laser-induced breakdown spectroscopy (LIBS) coupled with random forest regression based on variable importance (VI-RFR)

2019 ◽  
Vol 11 (37) ◽  
pp. 4769-4774 ◽  
Author(s):  
Ke Liu ◽  
Di Tian ◽  
Heyi Xu ◽  
Hongxia Wang ◽  
Guang Yang

With the extensive use of plastic products, determining the amount of toxic elements in plastic products has become a pressing issue for human health and environmental protection.

2014 ◽  
Vol 29 (12) ◽  
pp. 2323-2329 ◽  
Author(s):  
Tianlong Zhang ◽  
Long Liang ◽  
Kang Wang ◽  
Hongsheng Tang ◽  
Xiaofeng Yang ◽  
...  

LIBS combined with random forest regression (RFR) was proposed for the quantitative analysis of multiple elements in fourteen steel samples.


2020 ◽  
Vol 35 (6) ◽  
pp. 1131-1138 ◽  
Author(s):  
Yu Ding ◽  
Wan Zhang ◽  
Xingqiang Zhao ◽  
Liwen Zhang ◽  
Fei Yan

The aims of this study were to explore the feasibility of using LIBS technology combined with a hybrid RF algorithm for quantitative analysis of K in potash ore.


2017 ◽  
Vol 9 (36) ◽  
pp. 5365-5370 ◽  
Author(s):  
Guang Yang ◽  
Xu Han ◽  
Chenghao Wang ◽  
Yu Ding ◽  
Ke Liu ◽  
...  

The basicity of sintered ore, which is related to the melting point of the sinter, is vital to ore mining and blast-furnace smelting.


2015 ◽  
Vol 7 (6) ◽  
pp. 2425-2432 ◽  
Author(s):  
Shan Wu ◽  
Tianlong Zhang ◽  
Hongsheng Tang ◽  
Kang Wang ◽  
Xiaofeng Yang ◽  
...  

Laser-induced breakdown spectroscopy (LIBS) combined with PLSR and RF was employed for the detection of nonmetal elements in steels.


Author(s):  
Raquel C Machado ◽  
Diego Victor Babos ◽  
Daniel Fernandes Andrade ◽  
Edenir Rodrigues Pereira-Filho

Quantitative analysis requires several efforts to obtain an adequate calibration method to overcome matrix effects employing direct solid analysis by laser-induced breakdown spectroscopy (LIBS). To this end, in this study,...


Author(s):  
Fu Chang ◽  
Jianhong Yang ◽  
Huili Lu ◽  
Haixia Li

It is significant to improve the repeatability of quantitative analysis of laser-induced breakdown spectroscopy (LIBS) in one-shot measurement where the skill of averaging is not valid because multiple measurements are...


Sign in / Sign up

Export Citation Format

Share Document