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Studies on Determination of Sulfite Content in Lentinus edodes by Hydrochloric Acid-Distillation-Ion Chromatography
Author(s): 
Pages: 123-125
Year: Issue:  9
Journal: Acta Agriculturae Jiangxi

Keyword:  蒸馏离子色谱香菇亚硫酸盐;
Abstract: 建立了盐酸酸化-蒸馏-离子色谱法测定香菇中亚硫酸盐含量的分析方法.香菇在盐酸(体积比1∶3)介质中水蒸汽蒸馏进行提取净化,采用ASRS4型阴离子抑制离子色谱检测,色谱柱为AS18(250 mm×4 mm)不锈钢柱,柱温30 ℃,23 mmol/L KOH溶液作为流动相;流速1.0 mL/min,进样量25 μL,电导检测器温度35 ℃;外标法定量.试验证明,该方法检测线性范围5~50 μg/mL,...
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