Table 1 Comparison of the CMC of SDS, CTAB, and TX-100 between typical published methods and the proposed method in water solution

UV-visible spectrophotometry

1.0^a

0.06^a

0.70^a

(Khamis et al. 2005)

0.80^b

0.10^b

0.70^b

(Khamis et al. 2005)

7.19^a

0.76^a

n.d

(Mondal and Ghosh 2012)

Fluorescence

n.d

0.75

n.d

(Halder 2007)

7.62

0.89

0.24

(Aguiar et al. 2003)

4.22

0.83

n.d

(Prazeres et al. 2012)

7.96

0.75

n.d

(Mondal and Ghosh 2012)

Resonance Rayleigh scattering

8.0

0.98

n.d

(Shi et al. 2011)

Fiber-optic refractive index

8.1

0.15

0.21

(Tan et al. 2010)

Conductometry

8.1

0.99

0.31

(Brooks et al. 1988)

8.0

n.d

n.d

(Fuguet et al. 2005)

Voltammetry

8.3

0.88

n.d

(Ma et al. 1998)

n.d

n.d

0.31

(Liu et al. 1999)

SPR of AgNPs

8.6^a

0.9^a

0.26^a

This work