Research Article

Trace Lead Measurement and Online Removal of Matrix Interference in Geosamples by Ion-Exchange Coupled with Flow Injection and Hydride Generation Atomic Fluorescence Spectrometry

Figure 4

Sample injection speed (4 ngm l 1 Pb solution; pH 7; washing with water for 10 seconds; 180 seconds sample load time; eluting with 3% HCl).
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