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The Influence of Deinked Pulp Opacity on ERIC and Its Correction
  
DOI：10.11980/j.issn.0254-508X.2014.02.005
Key Words:ERIC  opacity  scattering coefficient
Fund Project:中华人民共和国工业和信息化部《废纸浆脱墨效果评价》行业标准计划（2012-0277T-QB）。
Author NameAffiliation
程　皓1 1.华南理工大学制浆造纸工程国家重点实验室，广东广州， 510640 
赵媛媛1 1.华南理工大学制浆造纸工程国家重点实验室，广东广州， 510640 
徐　嵘1 1.华南理工大学制浆造纸工程国家重点实验室，广东广州， 510640 
刘　超1 1.华南理工大学制浆造纸工程国家重点实验室，广东广州， 510640 
李友明1 1.华南理工大学制浆造纸工程国家重点实验室，广东广州， 510640 
武书彬1,* 1.华南理工大学制浆造纸工程国家重点实验室，广东广州， 510640 
卢宝荣2 2.中国制浆造纸研究院，北京，100102 
陈　曦2 2.中国制浆造纸研究院，北京，100102 
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Abstract:The values of effective residual ink concentration(ERIC) of deinked ONP pulps and MOW pulps from different deinking stages were measured, the formula of its measuring principle was analyzed with Matlab software, results showed that, the surface appeared saltation when the opacity of the pulp sample exceeded 97%, so scattering coefficient S in the formula was amended as follows，S=1000αw. The values of αwere 3.01 for ONP pulp and 3.82 for MOW pulp. The effective residual ink concentration could be calculated combining the basis weight of the sample，this method could reduce the system error.
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