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Table 4 Determination of copper in synthetic samples

From: Potentiometric detection and removal of copper using porphyrins

Copper sample (mg/L) Found by electrode (mg/L) Found by AAS (mg/L) Recovery (%)
20 (19.3 ± 0.4) (19.6 ± 0.2) 98.4
50 (49.5 ± 0.5) (49.8 ± 0.3) 99.4
  1. The table presents the application of the best obtained sensor in detection of copper from two different synthetic samples of 20 and 50 mg/L copper concentration, comparatively with those obtained by AAS.