Availabilities of ICP-AES Analysis with a Ultra-Sonic Nebulizer for Environmental Water Samples.
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概要
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Since Japanese environmental law for natural water quality was largely amended in 1993, ICP-AES analysis becomes to be more useful as one of the official regulated method for many trace elements in the environmental water samples. The upper limit concentration for some elements in this amended law were changed10 times more stringent than in the previous law, as given an example for lead (0.01mg/l) . Therefore, ICP-AES analysis with an ultra-sonic nebulizer is recomended in order to examine whether lead concentration in a sample is over against the amended law. An ICP-AES analytical technique with an ultra-sonic nebulizer gave the detection limit at 1μg/l level for lead, and this value was several times more sensitive than that with a conventional nebulizer. But also, spectroscopic interferences, which are always occurred on ICP analyses for severe samples by matrix effects, were found to be heavily given by an ultra-sonic nebulizer.
- 日本環境化学会の論文
日本環境化学会 | 論文
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