Table 2 Comparison between analytical methods for determination of orthophosphate.
Analytical methods | Linear range (µM) | LOD (µM) | References |
|---|---|---|---|
Capillary electrophoresis (CE) | 0.5–10 | 0.45 | |
Photometric | 4.8–100 | 0.64 | |
Spectrophotometry (blue method assay)* | 0.14–10 | 0.04 | |
Spectrophotometry (yellow method assay)* | 0.1–60 | 0.052 | |
Ion Chromatography (IC) | 1.6–806 | 0.76 | |
Square wave voltammetry (MoxOy/PDAAQ/GC) | 0.03–4 | 0.009 | This study |