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Development and Validation of an Soxtec Techniques for Acetone-soluble Matter in Pulp Based on Box-Behnken
Received:April 22, 2025  Revised:May 29, 2025
DOI：10.11980/j.issn.0254-508X.2025.09.016
Key Words:Soxtec  pulp  determination of acetone-soluble matter  Box-Behnken response surface method
Author NameAffiliationPostcode
ZHANG Wen* Suichang County Product Quality Supervision and Inspection Institute, Lishui, Zhejiang Province, 323000 323000
PENG Liping Suichang County Product Quality Supervision and Inspection Institute, Lishui, Zhejiang Province, 323000 323000
ZHENG Jian* Suichang County Product Quality Supervision and Inspection Institute, Lishui, Zhejiang Province, 323000 323000
YE Xiaomei Suichang County Product Quality Supervision and Inspection Institute, Lishui, Zhejiang Province, 323000 323000
GUO Zhixin Suichang County Product Quality Supervision and Inspection Institute, Lishui, Zhejiang Province, 323000 323000
ZHENG Yongling Suichang County Product Quality Supervision and Inspection Institute, Lishui, Zhejiang Province, 323000 323000
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Abstract:This study used the acetone soluble content in pulp as an evaluation index and optimized the Soxtec method using Box-Behnken response surface methodology. The results showed that the optimal extraction parameters were temperature of 76 ℃， time of 25 min， and solvent volume of 64 mL. Through experimental verification， the LOD of this method was 0.013%， the spiked recovery rate was >95%， the coefficient of variation of repeatability was <5%， and the coefficient of variation of reproducibility was <10%. The detection results met the requirements of the GB/T 27417—2017， indicating that this method had high accuracy and good reproducibility， met the quality control requirements of industrial pulp production， and provided a more efficient and reliable solution for acetone soluble substance detection.
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