Research Article

Trace Determination of Linear Alkylbenzene Sulfonates: Application in Artificially Polluted Soil—Carrots System

Table 1

Number of carrots per pot; dry matter production; LASs concentration in soil, and LASs concentration in carrots. Mean values of four replications followed by the same letter in a column are not significantly different at , SE, standard error in variance analysis.

LineControl carrotsLASs carrots

1Number of pots66
2Number of carrots per potcarrot7.00 6.25
3Dry matter production (mg per plant, mean S.E.)Peel82.5 85.0
Core188.0 197.0
Leaves210.0 233.0
4Total content of LASs in soil (initial)(mg dry matter, mean SE)Soil50 4500 20
5Total content of LASs in carrot plants(mg dry matter, mean SE) Peel0.47 0.040.63 0.06
Core0.26 0.030.31 0.03
Leaves0.06 0.010.26 0.02