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This paper reports for the first time, a method for simultaneous determination of naphazoline (NPZ) and zinc (Zn) using an analytical separation technique (capillary electrophoresis with capacitively coupled contactless conductivity detection -CE–C4D). A single run is possible every 55s (sampling rate=65h−1). The separation by CE–C4D was achieved on a fused silica capillary (50cm length − 10cm effective,...
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