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本文研究了水样中的硒(Ⅳ)和硒(Ⅵ)在DDTC-MIBK体系中的选择性萃取和反萃取,并用缝式石墨管原子捕集技术结合火焰原子吸收法,通过二步萃取,测定了水样中的硒(Ⅳ)和硒(Ⅵ)。
In this paper, the selective extraction and back-extraction of selenium (Ⅳ) and selenium (Ⅵ) in DDTC-MIBK were studied. The atomic absorption spectrometry and flame atomic absorption spectrometry Determination of water samples of selenium (Ⅳ) and selenium (Ⅵ).