| Registro completo |
| Provedor de dados: |
PAB
|
| País: |
Brazil
|
| Título: |
Characterization of phosphate structures in biochar from swine bones
|
| Autores: |
Novotny,Etelvino Henrique
Auccaise,Ruben
Velloso,Marcia Helena Rodrigues
Corrêa,Juliano Corulli
Higarashi,Martha Mayumi
Abreu,Valéria Maria Nascimento
Rocha,José Dilcio
Kwapinski,Witold
|
| Data: |
2012-05-01
|
| Ano: |
2012
|
| Palavras-chave: |
Bone phosphate
Phosphate availability
Principal component analysis
Pyrolysis
Multivariedade curve resolution analysis
Soil fertility
|
| Resumo: |
The objective of this work was to develop an alternative methodology to study and characterize the phosphate crystalline properties, directly associated with solubility and plant availability, in biochar from swine bones. Some phosphate symmetry properties of pyrolyzed swine bones were established, using solid state nuclear magnetic resonance spectroscopy, principal component analysis, and multivariate curve resolution analysis, on four pyrolyzed samples at different carbonization intensities. Increasing carbonization parameters (temperature or residence time) generates diverse phosphate structures, increasing their symmetry and decreasing the crossed polarizability of the pair ¹H-31P, producing phosphates with, probably, lower solubility than the ones produced at lower carbonization intensity. Additionally, a new methodology is being developed to study and characterize phosphate crystalline properties directly associated with phosphate solubility and availability to plants.
|
| Tipo: |
Info:eu-repo/semantics/article
|
| Idioma: |
Inglês
|
| Identificador: |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2012000500006
|
| Editor: |
Embrapa Secretaria de Pesquisa e Desenvolvimento
Pesquisa Agropecuária Brasileira
|
| Relação: |
10.1590/S0100-204X2012000500006
|
| Formato: |
text/html
|
| Fonte: |
Pesquisa Agropecuária Brasileira v.47 n.5 2012
|
| Direitos: |
info:eu-repo/semantics/openAccess
|
