摘要
国内尚无正式发布土壤和地下水中TDI和MDI标准检测方法,实际工作中无成熟的检测方法可以参考使用。采用气相色谱法测定土壤和地下水中的TDI和MDI,建立了试验方法,在试验浓度范围内线性良好。TDI和MDI不同的同分异构体具有不同的检出限、保留时间。
There is no standard detection method for TDI and MDI in soil and groundwater in China, and there is no mature detection method for reference in practical work. TDI and MDI in soil and groundwater were determined by gas chromatography. A test method was established, and the linearity was good in the range of test concentration. Different isomers of TDI and MDI have different detection limits and retention times.
作者
刘威
Liu Wei(Guangzhou Zhongpeng Environmental Protection Industrial Co.,Ltd.,Guangzhou 510000,China)
出处
《皮革制作与环保科技》
2021年第9期40-41,43,共3页
Leather Manufacture and Environmental Technology
关键词
TDI
MDI
保留时间
检出限
外标法
TDI
MDI
retention time
detection limit
external standard method
