【Key words】 sediments; methyl mercury; CH_2Cl_2 extraction; aqueous phase ethylation; isothermal gas chromatography; cold vapour atomic fluorescence
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Cold Vapour Atomic Fluorescence Spectrometry 冷蒸汽原子荧光光谱法 ; 冷原子荧光法
cold vapour atomic fluorescence method 冷原子荧光法
Employ potassium borohydride as reducer, reduce mercuric ion in liquor to Hg vapour, the Hg vapour is carried to atomization device by ar gas, determined by cold-atomic fluorescence.
用硼氢化钾作还原剂，将溶液中汞离子还原成汞的蒸气原子，用载气导入原子化器中，直接用冷原子荧光光谱法测定水样中痕量汞。
A semiautomatic cold-vapour atomic fluorescence mercury measurement instrument has been developed.
研制了一种全封闭式的半自动冷原子荧光测汞仪。
The optimal conditions for determination of mercury in water by cold vapour generation atomic fluorescence spectrometry and for sample digestion with potassium permanganate are described.
研究了以高锰酸钾消化，冷原子荧光法测定水质中汞的最佳测定条件。
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