Rapid Determination of Methanol in Black Liquors by Full Evaporation Headspace Gas Chromatography

摘要：

This paper reported a full evaporation headspace gas chromatographic(GC)technique for determination of methanol content in black liquors.In this method,a very small volume(10-20 μL)of liquor sample is introduced into a headspace sample vial(20 mL)and heated up to a temperature of 105℃.A near-complete mass transfer of methanol from the liquid phase to vapor phase(headspace),i.e.,a full evaporation,can be achieved within 3 minutes.The methanol in the headspace of the vial is then measured by GC.The present method does not require any sample pretreatment.It is simple,rapid and accurate,and very suitable to be used for quantification of methanol content in black liquors of pulping industry.

关键词： full evaporation headspace GC methanol black liquor

作者: HAILONG LI HUAIYU ZHAN SHIYU FU MENGRU LIU XIN-SHENG CHAI

作者单位: State Key Laboratory of Pulp and Paper Engineering,South China University of Technology,Guangzhou,Gu State Key Laboratory of Pulp and Paper Engineering,South China University of Technology,Guangzhou,Gu

会议类型: 国际会议

会议名称: 第二届国际造纸与环境学术会议(The Second International Papermaking & Environment Conference)

会议地点: 天津

会议语种:英文

页码: 399-402

在线出版日期: 2008-05-14（万方平台首次上网日期，不代表论文的发表时间）