Cloud Point Extraction for the Determination of Trace Amounts of Cobalt in Water and Food Samples by Flame Atomic Absorption Spectrometry

Figure 2

Effect of pH on the analytical signal of cobalt. Conditions: 2.0 µg/mL Co(II) ion, 0.1% (v/v) Triton X-114, 1 mL of 0.02% MOSDAA.