Table 3. Recovery rate of chlorite ion and chlorate ion

Element Spiked concentration (μg/mL) Recovery (%)±SD
Chlorite ion (each n=3) 1.5 89.1±4.7
2 88.8±5.8
4 83.0±3.4
Chlorate ion (each n=3) 1.5 102.0±5.2
2 96.6±0.8
4 97.2±1.0