| 光谱学与光谱分析 |
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| Determination of α-Cellulose Content of Natural Cellulose Pulp in a New Clean Pulping Process Using Near Infrared Diffuse Reflectance Spectroscopy |
| HUANG Jun1, YUAN Hong-fu1*, SONG Chun-feng1, LI Xiao-yu1, XIE Jin-chun1, DU Jun-qi2 |
1. College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
2. College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, China |
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Abstract A new near infrared diffuse reflectance spectroscopy method is proposed to rapidly detect α-cellulose content of natural cellulose (plant fiber: cotton, wood) pulp in a new clean pulping process. One hundred forty two samples were collected and their α-cellulose content data were determined by standard method GB/T 9107-1999. The samples were homogenized by grinding pretreatment to improve spectroscopy measurement accuracy. Effective classification models were built by SIMCA, with the total correct identification. Using partial least squares (PLS) quantitative calibration, α-cellulose of the whole and separate cotton and wood pulp was established, with the correlation coefficients of 0.954, 0.911, 0.839, SEP, 0.024, 0.012 and 0.016, respectively .The repeatability results obtained by the new method are in agreement with the results from GB/T 9107-1999. The new method is feasible for determining α-cellulose content of natural cellulose (plant fiber: cotton, wood) in clean pulping process.
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Received: 2012-06-29
Accepted: 2012-08-20
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Corresponding Authors:
YUAN Hong-fu
E-mail: hfyuan@mail.buct.edu.cn
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MA Jian-feng, YANG Shu-min, TIAN Gen-lin, LIU Xing-e*. Study on the Application of Raman Spectroscopy to the Research on Natural Cellulose Structure[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2016, 36(06): 1734-1739. |
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YI Ying1, SONG Chun-feng1*, YUAN Hong-fu1, XIE Jin-chun1, DU Jun-qi2, LI Xiao-yu1 . Determination of Degree of Polymerization of Natural Cellulose Pulp Using Near-Infrared Diffuse Reflectance Spectroscopy[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2014, 34(09): 2372-2376. |
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