摘要
拟定了将悬浮液技术与汞蒸气原子荧光光谱法相结合测定化探样品中痕量Ｈｇ的分析方法。控制悬浮液中试样粒度在２００目，试样质量浓度１５ｇ／Ｌ，用电磁搅拌和载气搅拌保证悬浮液分散稳定，水溶液标准作校正曲线，方法的检出限为６ｎｇ／ｇＨｇ。对水系沉积物国家标准物质中痕量Ｈｇ进行测定，结果与标准值相符，对含Ｈｇ０１０μｇ／ｇ的ＧＢＷ０７３０５（ＧＳＤ５）测定１１次，ｘ为０１０５μｇ／ｇ，ＲＳＤ为５４％。
A simple and rapid method for the determination of mercury in geochemical samples is introduced in this paper. Sample is ground to 200
出处
《岩矿测试》
CAS
CSCD
北大核心
1996年第4期293-295,共3页
Rock and Mineral Analysis
关键词
悬浮液
原子荧光光谱法
矿样
and suspended uniformly in solution by electromagnetic stirrer and gas. The amount of the sample in slurry is 15 g/L and aqueous standards are used for calibration. The detection limit for Hg is 6 ng/g. The method has been applied to the determination of
