Study of stable nitrogen forms in natural surface waters in the presence of mineral substrates
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2022-09-03 19:41
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543.3 (88)
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SPATARU, Petru, POVAR, Igor, MOSANU, Elena, TRANCALAN, Ana. Study of stable nitrogen forms in natural surface waters in the presence of mineral substrates. In: Chemistry Journal of Moldova, 2015, nr. 2(10), pp. 26-32. ISSN 1857-1727. DOI: https://doi.org/10.19261/cjm.2015.10(2).02
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Chemistry Journal of Moldova
Numărul 2(10) / 2015 / ISSN 1857-1727 /ISSNe 2345-1688

Study of stable nitrogen forms in natural surface waters in the presence of mineral substrates
DOI:https://doi.org/10.19261/cjm.2015.10(2).02
CZU: 543.3

Pag. 26-32

Spataru Petru1, Povar Igor1, Mosanu Elena2, Trancalan Ana1
 
1 Institute of Chemistry of the Academy of Sciences of Moldova,
2 Institute of Ecology and Geography of the ASM
 
 
Disponibil în IBN: 28 decembrie 2015


Rezumat

The influence of substrates on the oxidation of reduced toxic forms of nitrogen in river water was investigated by laboratory modelling. Granite and expended clay accelerate the oxidation of ammonium and nitrite ions from 2 to 4 times. The presence of calcium carbonate in water hinders the oxidation of nitrogen in the polluted water.

Cuvinte-cheie
granite,

expanded clay, calcium carbonate, ammonium, nitrite