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Journal of Chemistry
/
2018
/
Article
/
Fig 13
/
Research Article
Spatial and Temporal Variations of Water Quality of Mateur Aquifer (Northeastern Tunisia): Suitability for Irrigation and Drinking Purposes
Figure 13
Bivariate pot of NO
2
ā
versus NH
4
+
(a) and NO
3
ā
(b).
(a)
(b)