A gas chromatography with n-tridecane as the interal strandard was used for determing n-octyl-chloroformate,a kind of phosgenation product.The method is simple and precise, cost is low.

• 采用气相色谱法,以正十三烷为内标物,对光气化产品氯甲酸正辛基酯进行测定,该法简便、快速,精密度好,准确度高,且分析成本低。