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Biomolecular archaeology: preliminary steps for interpretation of the origin of preserved organic residues in Brazilian pre-colonial potsherds
- 摘要:
- Organic residue analysis of archaeological potsherds is a well-established method for determining th...
- doi:
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10.1590/S0100-40422006000300004
- 作 者:
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Hansel, Fabrício Aug...
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- 期刊标题:
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Química Nova
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Chiral analysis by mass spectrometry using the kinetic method
- 摘要:
- Novel and quantitative mass spectrometry methods for rapid and accurate enantiomeric excess determin...
- doi:
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10.1590/S0100-40422006000200027
- 作 者:
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Augusti, Rodinei;Aug...
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- 期刊标题:
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Química Nova
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Direct determination of molybdenum in polyvitaminic tablets by voltammetry in non-aqueous media
- 摘要:
- Adsorptive stripping voltammetry carried out in a homogeneous ternary solvent composed of N,N-dimeth...
- doi:
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10.1590/S0100-40422006000100027
- 作 者:
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Universidade Federal...
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- 期刊编号:
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- 期刊标题:
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Química Nova
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Study of recovery and stability of derivatized gliphosate and AMPA in soil using national resins
- 摘要:
- In the present paper we studied the recoveries of glyphosate, N-(phosphonomethyl)glycine (GLY) and i...
- doi:
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10.1590/S0100-40422006000600037
- 作 者:
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Matta, Marcia Helena...
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- 期刊标题:
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Química Nova
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A novel synthesis of alpha-bromoacetophenones and its application in obtaining 2-benzoylbenzofuranes
- 摘要:
- a-Bromoacetophenones are important in organic synthesis. They have been widely used as precursors of...
- doi:
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10.1590/S0100-40422006000600022
- 作 者:
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Lopes, Cláudio C.;Ca...
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- 期刊标题:
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Química Nova
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A proposal for the teaching of Qualitative Analytical Chemistry
- 摘要:
- In recent years, because of the need for a more flexible curriculum established by the Curriculum Gu...
- doi:
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10.1590/S0100-40422006000600039
- 作 者:
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Costa, Carla Regina;...
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- 期刊标题:
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Química Nova
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Nitrogen oxidation states elucidated by X-ray absorption nitrogen K-edge spectroscopy
- 摘要:
- The potentialities of X-ray Absorption Near Edge Spectroscopy (XANES) of the N K edge (N K) obtained...
- doi:
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10.1590/S0100-40422006000400033
- 作 者:
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Nascimento, Gustavo ...
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- 期刊编号:
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- 期刊标题:
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Química Nova
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Evaluation of the essential oil of Aloysia sellowii (Briquet) moldenke (Verbenaceae) from South Brazil
- 摘要:
- This work was performed with the aim of evaluating the chemical variability among samples of Aloysia...
- doi:
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10.1590/S0100-40422006000200004
- 作 者:
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Pansera, Marcia Regi...
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- 期刊编号:
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- 期刊标题:
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Química Nova
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Evaluation of the reactivity of iron sulfides and mining wastes: methodology based on cyclic voltammetry
- 摘要:
- The mining industry around the world produces an important amount of wastes, which by their high tox...
- doi:
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10.1590/S0100-40422006000300020
- 作 者:
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Universidad Autónoma...
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- 期刊标题:
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Química Nova
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Recovery of elements from spent hydrorefining catalysts after fusion with KHSO4
- 摘要:
- This work describes a process for metal recovery from spent NiMo and CoMo/Al2O3 commercial hydrorefi...
- doi:
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10.1590/S0100-40422006000400038
- 作 者:
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Afonso, Julio Carlos...
- 作者机构:
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- 期刊编号:
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- 期刊标题:
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Química Nova