Research Article
Determination of Metals in Natural Waters by Inductively Coupled Plasma Optical Emission Spectroscopy after Preconcentration on Silica Sequentially Coated with Layers of Polyhexamethylene Guanidinium and Sulphonated Nitrosonaphthols
Table 6
LOD values of ICP-OES analysis and preconcentration factors (PF) obtained for selected metal ions with different adsorbents.
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