Table 2 Comparison between analytical methods for determination of orthophosphate.

From: A new approach for determination of orthophosphate based on mixed valent molybdenum oxide/poly 1,2-diaminoanthraquinone in seawater

Analytical methods

Linear range (µM)

LOD (µM)

References

Capillary electrophoresis (CE)

0.5–10

0.45

34

Photometric

4.8–100

0.64

35

Spectrophotometry (blue method assay)*

0.14–10

0.04

36

Spectrophotometry (yellow method assay)*

0.1–60

0.052

37

Ion Chromatography (IC)

1.6–806

0.76

38

Square wave voltammetry (MoxOy/PDAAQ/GC)

0.03–4

0.009

This study

  1. *The methods were applied in microfluidic Lab on Chip.