Abstract：
:Source apportionment of fluorine pollution in the regional shallow groundwater at You'xi County, southeast China, has been analyzed by means of monitoring F(-) ion change characteristics in this area. Meanwhile, pollution sources and influencing factors of the shallow groundwater have been uncovered by studying the correlation between F(-) and other related ions such as Na(+), Ca(2+), Cl(-), NO3(-), HCO3(-), as well as (K(+) + Na(+))/Ca(2+) ratio (R) and pH effect. The results show that F(-) ions in shallow groundwater at the study area come mainly from the dissolution of fluorinated minerals in a form of fluorite (CaF2), the so-called water-rock interaction, and there is a higher possibility for the occurrence of fluorine water where the ratio of (K(+) + Na(+))/Ca(2+) exceeds a value of 2.1. Moreover, the release and migration of F(-) ions have been favored by the alkaline environment in this study area.
journal_name
Chemospherejournal_title
Chemosphereauthors
Lü J,Qiu H,Lin H,Yuan Y,Chen Z,Zhao Rdoi
10.1016/j.chemosphere.2016.05.057subject
Has Abstractpub_date
2016-09-01 00:00:00pages
50-5eissn
0045-6535issn
1879-1298pii
S0045-6535(16)30669-5journal_volume
158pub_type
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