TABLE
10.2. Summary of the characteristics of common anthropogenic surfactants found
in freshwaters. a
Surfactants
Neodol
25-35 (AES)
SDS (LS)
LXS-814 (LAS)
p-lMethyldodecylbenzene (LA)
Potassium oleate (soap)
Triton X-IOO (APE)
Sucrose monolaurate (nonionic surfactantsl
Formula
C"H2n+I(OCH[CH2),GSO,Na
n
= 12-15 x
= 3
CHr (CH2),,-CH2-O-SO,Na
n
= 10
CH3-(CH2),,-CH( $-SO,Na)-CH,
n =
8-14
CH3-(CH2)n -CH2-$-CH,
n
= 10
CH,-(CH2)7CH=CH-(CH2)7COOK
CH3-C(CH3h-CH2-C(CH3h-$-(OCH2-CH21xOH
n
= 2 x =
10 average
CMC
(mg· VI)
0.380
2,332.8
0.390
184.6
480
0.195
97
Reference
Roch and Alexander, 1995
Williams et a!., 1955
Roch and Alexander, 1995
Gershman,
1957
Flockhart, 1953
Roch and Alexander, 1995
Wachs and Hayano, 1962
nAES, alcohol cthoxy sulfate; LS, linear alquil sulfonate; LAS, linear alquilbenzene sulfonate; LA, linear alquilbenzene; APE, alkylphenol ethoxilate.
10.2. Summary of the characteristics of common anthropogenic surfactants found
in freshwaters. a
Surfactants
Neodol
25-35 (AES)
SDS (LS)
LXS-814 (LAS)
p-lMethyldodecylbenzene (LA)
Potassium oleate (soap)
Triton X-IOO (APE)
Sucrose monolaurate (nonionic surfactantsl
Formula
C"H2n+I(OCH[CH2),GSO,Na
n
= 12-15 x
= 3
CHr (CH2),,-CH2-O-SO,Na
n
= 10
CH3-(CH2),,-CH( $-SO,Na)-CH,
n =
8-14
CH3-(CH2)n -CH2-$-CH,
n
= 10
CH,-(CH2)7CH=CH-(CH2)7COOK
CH3-C(CH3h-CH2-C(CH3h-$-(OCH2-CH21xOH
n
= 2 x =
10 average
CMC
(mg· VI)
0.380
2,332.8
0.390
184.6
480
0.195
97
Reference
Roch and Alexander, 1995
Williams et a!., 1955
Roch and Alexander, 1995
Gershman,
1957
Flockhart, 1953
Roch and Alexander, 1995
Wachs and Hayano, 1962
nAES, alcohol cthoxy sulfate; LS, linear alquil sulfonate; LAS, linear alquilbenzene sulfonate; LA, linear alquilbenzene; APE, alkylphenol ethoxilate.