气相色谱法测定水性涂料中N,N-二(3-氨基丙基)十二烷基胺

Detection Method for N,N-Bis-(3-aminopropyl)-dodecylamine in Waterborne Coating by Gas Chromatography

建立测定水性涂料产品中生物杀伤剂N,N-二(3-氨基丙基)十二烷基胺的分析方法。通过确定气相色谱仪(火焰离子化检测器)色谱条件以及优化前处理方法,线性相关系数为0.9998,检出限为10 mg/kg,回收率范围为76%~107%,相对偏差均小于10%。可用于涂料绿色产品评价标准中N,N-二(3-氨基丙基)十二烷基胺的检验筛查工作,为绿色评价涂料产品的规范化评价提供简便可行的检验方法。

A method was developed to detect N,N-bis-(3-aminopropyl)-dodecylamine in waterborne coating.The detection method of gas chromatography with FID detector was determined,and the pretreatment method was optimized.The method met the test requirements,because the linear correlation coefficient was 0.9998,the detection limit was 10 mg/kg,the recovery range was 76%~107%,and the relative deviation was less than 10%.This method can be used for the inspection and screening of N,N-bis-(3-aminopropyl)-dodecylamine in the green product assessment of coating material.It provides a simple and feasible method for the standardization of coating material for green product assessment.