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 class="fixed-width table-group" id="tab1"><tr><td><table class="table"><colgroup><col style="width:11.19em"/><col style="width:18.00em"/></colgroup><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">RF power, kW</td><td class="align_center">1.3</td></tr><tr><td class="align_left">Plasma gas flow, L min<sup>−1</sup></td><td class="align_center">15</td></tr><tr><td class="align_left">Auxiliary Ar, L min<sup>−1</sup></td><td class="align_center">0.2</td></tr><tr><td class="align_left">Nebulizer Ar, L min<sup>−1</sup></td><td class="align_center">0.8</td></tr><tr><td class="align_left">Pump rate, mL min<sup>−1</sup></td><td class="align_center">1.5</td></tr><tr><td class="align_left">Readings/replicate</td><td class="align_center">3</td></tr><tr><td class="align_left" rowspan="2">Wavelength, nm</td><td class="align_center">Cu: 324.752; Fe: 238.204; Co: 238.892; Ni: 231.604; Al: 308.215; Zn: 213.857;</td></tr><tr><td class="align_center">Pb: 220.353; Mn: 257.610; Cr: 267.709</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Wavelength and operating conditions used for ICP-OES determination of metals.</div>

International Journal of Analytical Chemistry

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Table 1

Table 1: 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 1 | 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 