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THOMPSON, MICHAEL | Cambridge [REINO UNIDO] : Royal Society of Chemistry | AMC Technical Brief | 2002Proficiency testing (PT) is so effective in detecting unexpected problems in analytical work that participation in a scheme (where one is available) is regarded as a prerequisite to accreditation. Moreover, as well as evidence that a laboratory [...]
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This text discusses the high-resolution NMR of liquid samples and concentrates exclusively on spin-half nuclei (mainly 1 H and 13 C). It is aimed at people who are familiar with the use of routine NMR for structure determination and who wish to [...]
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It is the purpose of this paper to explore the possibility of applying the enzyme technique to the analysis of structural polysaccharides (table 1), and to evaluate the use of enzymes in isolation procedures. Although the main structural feature[...]
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Article : documento electrónico
SAORI NAKAGOE, Autor ; JOSÉ CHAMORRO OLIVARES, Autor ; LILIÁN GARCÍA, Autor ; FÁTIMA YUBERO, Autor ; MAGNA MONTEIRO, Autor ; LAURA MERELES, Autor ; DIANA DIEZ-PÉREZ-NÚÑEZ, Autor |En Paraguay, la investigación sobre la contaminación por arsénico (As) es aún incipiente. El objetivo del presente estudio fue validar un método analítico para la determinación de arsénico total en muestras de suelo por espectrofotometría de abs[...]
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TORRE, ALEJANDRA ; LAURA OLAZÁBAL ; TORRES, MARINA ; QUEVEDO, DORIS ; MARCO, VERONICA ; ALCARRAZ, LUCIA ; AMUEDO, VIVIANA | Montevideo [URUGUAY] : Laboratorio Tecnológico del Uruguay (LATU) | 2007Los recursos hídricos existentes en el URUGUAY son muy abundantes, teniendo una muy buena disponibilidad de los mismos en calidad y cantidad. Sus usos son para: abastecimiento humano, riego, Industria, actividad ganadera, turismo termal, esparci[...]
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ROYAL SOCIETY OF CHEMISTRY | Cambridge [REINO UNIDO] : Royal Society of Chemistry | AMC Technical Brief | 2001What we should do when results of analytical measurements fall below the detection limit has long been a source of puzzlement. In fact the idea of a detection limit itself is puzzling: why else should we spend so much effort trying to define it [...]
