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Table 1 Concentrations of Ni2+ detected in distilled water and tap water (n = 3)

From: Simple and rapid colorimetric sensing of Ni(II) ions in tap water based on aggregation of citrate-stabilized silver nanoparticles

Prepared concentration (mM) Detected in distilled water (mM) Detected in tap water (mM)
1.1 1.1 1.3
1.2 1.2 1.4
1.6 1.6 1.4