Zobrazeno 1 - 4
of 4
pro vyhledávání: '"Zulay Rivas"'
Publikováno v:
Atomic Spectroscopy. 32:1-11
The objective of this study was to determine and establish for the first time the distribution of mercury species in a tropical lake in order to understand the nature and factors thai influence its biogeochemical cycle. Samples of water, sediments, m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d4d3ff2b8eeb1f695ab084965073f7d3
https://doi.org/10.46770/as.2011.01.001
https://doi.org/10.46770/as.2011.01.001
Publikováno v:
Analytica Chimica Acta. 538:107-115
Vanadium is introduced into the environment during the extraction of petrochemical products and in the production of steels and insecticides. In this study, a liquid chromatographic method for the separation of V(IV) and V(V) as ethylenediaminetetra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dfbc29a416a6a51a6d12625d95e1e700
https://doi.org/10.1016/j.aca.2005.02.044
https://doi.org/10.1016/j.aca.2005.02.044
Publikováno v:
Water, Air, & Soil Pollution. 155:117-135
Ca, Mg, Fe, Mn and Al were determined in surficial sediment samples from Catatumbo River (including sediments from major tributaries) a binational basin shared by both Venezuela and Colombia in approximately 30% and 70%, respectively. The global mean
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2f7fe840999f4a17b688c8a9fe5e4408
https://doi.org/10.1023/b:wate.0000026516.47149.d9
https://doi.org/10.1023/b:wate.0000026516.47149.d9
Publikováno v:
Water, Air, and Soil Pollution. 117:27-37
Nitrogen (N) and phosphorus (P) concentrations were determined in sediment samples along the bed of Catatumbo river in both Colombian and Venezuelan territories until the river outlet in Maracaibo lake. Total phosphorus was determined by digestion wi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4930e5bc96ff5f9047a63b30d135579f
https://doi.org/10.1023/a:1005189710803
https://doi.org/10.1023/a:1005189710803