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THE EFFECT of ANIONIC SORPTION on THE METAKAOLINITE
(Trans Tech Publications Ltd, 2010-01-01)
This paper reports an investigation on the effect of thermal activation of kaolinite. It is well known that during calcinations (400-650 degrees C), kaolinite loses the OH lattice water and is transformed into metakaolinite ...
Electrooptic proprieties of layer-by-layer films of a azobenzene containing copolymer
(2005-12-01)
The methacrylic copolymer functionalized with the azo chromophore 4-[N-ethyl-N-(2-hydroxiethyl)]-amino-2′-chloro-4-nitroazobenzene (MMADR13), in its polyelectrolyte form, can be used to fabricate thin films by the ...
Dissociative electron attachment to chloromethane.
(Sociedade Brasileira de FísicaÁguas de Lindóia, 2013-05-13)
A low energy electron may attach to a molecule, forming a metastable resonance, which may dissociate into a stable anion and a neutral radical. Chloromethane has been a good target for dissociative electron attachment ...
Estudo das características cromatográficas na determinação de ânions em trocadores de sílica gel organofuncionalizada em amostras de água da Bacia do Rio Jardim, DF.
(In: ENCONTRO DE JOVENS TALENTOS DA EMBRAPA CERRADOS, 3., 2007, Planaltina, DF. Resumos apresentados. Planaltina, DF: Embrapa Cerrados, 2007. p. 65., 2011)
Toxic and genotoxic effects of trivalent and hexavalent chromium - A review
(2005-06-01)
During the last years, the emission of heavy metals to the environment has increased, causing a severe negative impact to the ecosystems and seriously compromising human health due to their mutagenic potential. Tri- (III) ...
Total deposition of anions and metals: An indicator of sugarcane burning impact, in the são josé do rio preto town, são paulo state, Brazil
(2010-01-01)
Air pollution is not a recent issue and has become a serious environmental problem affecting human health, urban life quality and, sustainability of urban ecosystems. São José do Rio Preto (SJRP) is a city with around ...
Impact of bulk deposition of anions as diffuse source in preto river, são paulo state, Brazil
(2010-01-01)
Bulk and wet depositions were measured during two hydrological years (January, 2(308 to January, 2010) in the Sao Jose do Rio Preto city. Water samples of total and wet depositions were collect from the Preto river after ...