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建立了DNPH固相吸附/高效液相色谱法同时测定13种醛酮类物质的方法,研究了固相吸附采样和前处理方法,优化了实验条件。13种醛酮类物质在一定质量范围内工作曲线良好,检出限在0.5~2.0μg/m3。实际样品相对偏差在0~6.7%。
A method for simultaneous determination of 13 aldehydes and ketones by DNPH solid phase adsorption / high performance liquid chromatography was developed. The solid phase adsorption sampling and pretreatment methods were studied and the experimental conditions were optimized. Thirteen kinds of aldehydes and ketones work well in a certain range of quality with the detection limit of 0.5 ~ 2.0μg / m3. The actual sample relative deviation of 0 ~ 6.7%.