笔者在植物油中加入无机铅标准溶液和具有一定比例的混合有机溶剂组成的均相体系,建立了植物油中痕量铅的石墨炉原子吸收直接测定法。AA240DUO原子吸收光谱仪(美国安捷伦公司,配铅空心阴极灯)。条件:波长283.3 nm,狭缝0.5 nm,灯电流5 mA,塞曼扣背景,气流量300 ml/min,峰高读数方式;石墨炉升温程序干燥的最佳起始温度为85℃,最佳终止温度为120℃;干燥时间 The author in the vegetable oil by adding inorganic lead standard solution and a certain proportion of a homogeneous mixture of organic solvent system, the establishment of a trace lead in vegetable oil graphite furnace atomic absorption direct determination. AA240DUO atomic absorption spectrometer (Agilent company, with lead hollow cathode lamp). Conditions: Wavelength 283.3 nm, slit 0.5 nm, lamp current 5 mA, Zeeman buckle background, air flow 300 ml / min, peak height reading method; graphite furnace temperature program drying optimum starting temperature of 85 ° C, the best The termination temperature is 120 ° C; drying time