Method | LOD (nM) | Reference |
---|---|---|
Glassy carbon electrode modified with bromothymol blue and multi-walled carbon nano-tube | 267 | Hua X. et al 2013 |
Glassy carbon electrode mediated by surfactant cetyltrimethyl ammonium bromide | 20.1 | Sataraddi S. R. and Nandibewoor S. T 2011 |
Spectrometry | 30.69 | Badea I. et al. 2002 |
HPLC | 70.89 | Fars K.A. et al. 2009 |
Ionic liquid modified carbon paste electrode | 13 | Tianrong Z. et al. 2011 |
Carbon paste electrode | 12.25 | Present work |