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. Author manuscript; available in PMC: 2014 Jan 25.
Published in final edited form as: Anal Chim Acta. 2012 Nov 29;761:18–26. doi: 10.1016/j.aca.2012.11.039

Fig. 3.

Fig. 3

Effect of solution acidity adjusted by HCl or H2SO4 on the signals profiles for 1.0 μg L−1 Pb. K3Mn(CN)6 = 0.5% m/v in 1% v/v H2SO4, NaBH4 = 1% m/v in 0.1% m/v NaOH.