ICP-AES: A Realistic Assessment of Its Capabilities for Food Analysis

Abstract

Figure 2. Total concentrations, with associated standard errors from the flame atomic absorption spectrometric step, of several major and minor elements in NBS SRM 1570 Spinach, as a function of subsample. Open and closed data points depict unftiltered and liltered solutions, respectively, used to measure acidsoluble concentrations; the data at extreme right are overall means ± standard error. References