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Table 5 Results for metal ions determination in various samples obtained using the optimum conditions.

From: Salicylic acid functionalized silica-coated magnetite nanoparticles for solid phase extraction and preconcentration of some heavy metal ions from various real samples

Samples Reported value (μg g-1) Found by proposed method (μgg-1)a
Multivitamin Cu: 3.98 Cu:3.95 ± 0.13
Infant milk substitute Cu:2.90 Cu: 2.89 ± 0.25
Hydrogenated oil Ni: 4.50 Ni:4.3 ± 0.3
  1. (N = 5)
  2. a Mean of five determinations ± standard deviation
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BMC Chemistry

ISSN: 2661-801X

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