【摘要】 采用染（颜）料样品溶解于浓硫酸－正己烷萃取的方法，用气相色谱法测定了样品中邻二氯苯的残留量。色谱柱为ＨＰ－５，载气为氮气，检测器为ＥＣＤ。表明在１～１０μｇ／ｍｌ浓度范围内线性良好，精密度较高。更多还原

【Abstract】 Abstract A method for the determination of o-dichlorobenzene in water-insoluble dyes and pigments by gas chromatography was developed.The results showed that the relative standard deviations is 1 3% and 0 1% respectively(n=6) .更多还原