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以溶剂解吸-气相色谱法测定乙酸时,采用丙酮代替甲酸做解吸液。结果显示,在0~167.84μg/ml范围内线性相关系数为0.999 8,检出限可达0.177μg/ml,精密度0.5%~1.0%,平均解吸效率91.94%,效果令人满意。
When solvent acetic acid was determined by solvent desorption-gas chromatography, acetone instead of formic acid was used as desorption solution. The results showed that the linear correlation coefficient was 0.999 8 in the range of 0 ~ 167.84μg / ml with the detection limit of 0.177μg / ml, the precision of 0.5% ~ 1.0% and the average desorption efficiency of 91.94%. The results were satisfactory.