Evaluating the Performance of a Diffusive Gradient in Thin Film Embedded with Montmorillonite for the Determination of Labile Cd, Pb, Mn, and Zn in Natural River Water
Table 1
Location coordinates and descriptions of the water sampling sites along the Lach Tray River.
Sampling site
Location
Coordinates
NM1
5 m downstream from the sewage effluent site, near Niem Bridge
20°49′39.21″ N
106°40′13.97″ E
NM2
50 m downstream from the sewage effluent site, near Niem Bridge
20°49′38.42″ N
106°40′13.06″ E
NM3
100 m downstream from the sewage effluent site, near Niem Bridge
