Methods:After decompounded the sample by nitric acid, then to detect using both flame and graphite oven atomic absorption spectrophotometer.

方法：将样品经硝酸分解后，采用火焰原子吸收法和石墨炉原子吸收法分析测定。

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Methods:After decompounded the sample by nitric acid, then to detect using both flame and graphite oven atomic absorption spectrophotometer.

方法：将样品经硝酸分解后，采用火焰原子吸收法和石墨炉原子吸收法分析测定。

youdao