How can you identify goethite from FTIR?
This page summarizes the recurring FTIR evidence reported for goethite, including the most frequent peaks, supporting functional groups, and literature-backed interpretation patterns. It is a structured evidence page, not a claim of automatic single-spectrum certainty.
Backed by 16 cited sources
Respuesta rápida
goethite is usually reported with a recurring pattern of peaks and functional-group evidence. The most useful approach is to cross-check at least two characteristic peaks before treating it as a match, then verify whether the full spectrum still fits the same material family.
Interpretación de picos
Materiales / grupos posibles
| Grupo funcional | Evidencia |
|---|---|
| Hydroxyl (O-H) | 19 |
| Metal oxygen | 8 |
| Aromatic ring | 6 |
| Carboxyl (COOH) | 6 |
| C-O single bond | 6 |
| Amide | 4 |
| N h | 4 |
| Silicon-oxygen (Si-O) | 4 |
Lógica de espectro
The logic here is evidence aggregation: repeated literature mentions of goethite, repeated peak positions, and repeated functional-group associations. A strong material hypothesis should still be supported by multiple peaks that agree with each other, not by one headline band alone.
Uso en el mundo real
Esta página está diseñada para la identificación de polímeros, control de calidad de materiales entrantes, análisis de plásticos desconocidos, revisión de contenido reciclado e interpretación respaldada por la literatura de espectros de referencia.
Errores comunes
- Llamar a una coincidencia de material demasiado pronto porque está presente un pico famoso.
- Ignorando la preparación de la muestra, cargas, oxidación, agua o aditivos que pueden cambiar el patrón aparente.
- Usando evidencia de la literatura sin verificar si su propio modo de muestreo y calidad del espectro son comparables.
Consejo de verificación
Use DSC, GC-MS o TGA para validar la hipótesis del material cuando el patrón de picos sea ambiguo o mixto.
Literatura detrás de esta página
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Reactions of nitrite with goethite and surface Fe(II)-goethite complexes DOI: 10.1016/j.scitotenv.2021.146406 -
confianza 0,9
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Hidden colours in stuccowork damaged by fire: A multi-analytical investigation for revealing the original decorative pattern DOI: 10.1016/j.culher.2015.11.002 -
confianza 0,9
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Effects of Flavin-Goethite Interaction on Goethite Reduction by Shewanella decolorationis S12 DOI: 10.3389/fmicb.2019.01623 -
confianza 0,8
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Surface Complexation Modeling and FTIR Study of Carbonate Adsorption to Goethite DOI: 10.1006/jcis.2000.7341 -
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Oxolinic Acid Binding at Goethite and Akaganeite Surfaces: Experimental Study and Modeling DOI: 10.1021/acs.est.5b04940 -
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Morsch 等 - 2023 - The effect of cross-linker structure on interfacia DOI: 10.1016/j.apsusc.2022.155380 -
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Effects of Interfaces of Goethite and Humic Acid-Goethite Complex on Microbial Degradation of Methyl Parathion DOI: 10.3389/fmicb.2018.01748 -
confianza 0,7
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Efficiency of Fe3O4 Nanoparticles with Different Pretreatments for Enhancing Biogas Yield of Macroalgae Ulva intestinalis Linnaeus DOI: 10.3390/molecules26165105 -
confianza 0,7
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Yang 等 - 2013 - Molecular-Scale Study of Salicylate Adsorption and DOI: 10.1021/jp4027578 -
confianza 0,6
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Prasad 等 - 2006 - In situ FTIR study on the dehydration of natural g DOI: 10.1016/j.jseaes.2005.05.005
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