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Use of X‐ray fluorescence for sorting vinyl from other packaging materials in municipal solid waste
Author(s) -
Summers James W.,
Mikofalvy Bela K.,
Little Scott
Publication year - 1990
Publication title -
journal of vinyl technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.295
H-Index - 35
eISSN - 1548-0585
pISSN - 0193-7197
DOI - 10.1002/vnl.730120308
Subject(s) - chlorine , municipal solid waste , fluorescence , x ray , x ray fluorescence , materials science , sample (material) , sorting , analytical chemistry (journal) , chemistry , waste management , environmental chemistry , optics , computer science , physics , metallurgy , chromatography , engineering , programming language
X‐ray fluorescence of the chlorine atom is a suitable method for identifying vinyl in a mixed plastics stream in municipal solid waste. The chlorine X‐ray is weak and does not penetrate paper labels. There is also a rapid decrease in measured chlorine X‐ray intensity as the sample is moved away from the X‐ray source and detector which could be a potential problem for bottles of uneven shape.
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