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本文所讨论的电热雾化法是采用继续喷洒去溶技术,使试样在石墨炉表面逐步积累的进样方法。文章简要介绍了实验条件的选择和控制以及石墨炉装置的结构,探讨了提高电热雾化法相对检测能力的途径。实验结果表明:谱线黑度值与试样积累时间的对数值之间具有较好的线性关系。
The electrothermal atomization method discussed in this paper adopts the injection method of continuous desolvation to make the sample gradually accumulate on the surface of graphite furnace. The article briefly introduces the selection and control of experimental conditions and the structure of graphite furnace equipment, and discusses ways to improve the relative detection ability of electrothermal atomization method. The experimental results show that there is a good linear relationship between the black line value of the spectrum and the logarithm of the sample accumulation time.