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Functionalization of SBA-15 with EDTA and its application in removing Ca2+ and ...

Marques, Vanessa da Silva Bezerra; Santos, Andarair Gomes dos; Leite, Ricardo Henrique de Lima; Santos, Franciso Klebson Gomes

Poor management, changes in drinking parameters and drought subject many parts of the world to survival in the face of shortages of drinking water and the quality of drinking water needs to be assessed for adequate consumption. Hard water can lead to the buildup of mineral deposits in pipes and appliances that use water on a regular basis, affecting the performance and life cycle of these items. In addition, in...

Date: 2020   |   Origin: Oasisbr

Efeito do pH, Razão molar de EDTA: Ácido cítrico: íons metálicos totais e do tr...

Santos, Andarair Gomes dos; Silva, Rayane Ricardo da; Dantas, Antonia Géssika Oliveira; Lobato, Maxwell Ferreira; Souza, Carlson Pereira de

Inúmeras são as pesquisas que utilizam o método de complexação EDTA-Citrato na sintetização de materiais cerâmicos variados. No presente trabalho sintetizou-se o BaCeO3, com base neste método, visando investigar a influência do pH (7 – 11) e razão molar EDTA:ácido cítrico:íons metálicos totais (0,5:1,5:1,0; 1,0:1,0:1,0; 1,0:1,5:1,0; 1,5:1,5:1,0 e 1,0:2,0:1,0). Foram ainda realizadas duas bateladas de síntese, v...

Date: 2014   |   Origin: Oasisbr

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