Limits of detection for morphine,codeine,narcotine and papaverine were 0.07 ,0.0,0.00 ,0.0009 μg/L 0 μL of imject volume吗啡、可待因、罂粟碱、那可丁的检出限LOD分别为0.07 、0.0、0.00 和0.0009μg/L(进样量0μL),定量限LOQ分别是0.、0.08、0.0和0.00 μg/L。