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Research on determination of total ash and its components of paper by continuous X-ray method

Lianhua Hu and Xinyu Lu

College of Mechanical and Electrical Engineering, Shaanxi University of Science and Technology, Xi’an, People’s Republic of China

 

E-mail: luxinyu@sust.edu.cn

Received: 7 February 2021  Accepted: 29 June 2021

Abstract:

The X-ray diffraction internal standard method can quantitatively determine the ash content of paper, but the requirements for the experimental environment are high, the determination is not convenient and the cost is high, and it is difficult to be widely used in the papermaking enterprises. In order to determine the total ash and its components of the single filler paper samples, and meet the ash determination requirements of papermaking enterprises, the continuous X-ray method is proposed. In this paper, an X-ray tube is used as the radiation source and an ionization chamber is used as the detector. Through polynomial fitting of the total ash and voltage logarithm ratio of the single filler paper samples, the mathematical model of total ash is established; the total ash and its components content of paper are calculated according to the mathematical model of total ash and the Beer–Lambert law deformation formula; the total ash and its components content of paper are verified by the burning method. The research results show that the total ash error of the single filler paper samples is less than 4%, and the ash component error is less than 5%.

Keywords: Quantitative determination; Continuous X-ray; Total ash; Ash component; Single filler paper ash

Full paper is available at www.springerlink.com.

DOI: 10.1007/s11696-021-01764-y

 

Chemical Papers 75 (11) 5861–5871 (2021)

Friday, March 29, 2024

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