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
Hurtigt svar
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.
Topfortolkning
Mulige materialer / grupper
| Funktionel gruppe | Bevis |
|---|---|
| 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 |
Spektrumlogik
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.
Anvendelse i virkeligheden
Denne side er designet til polymeridentifikation, kvalitetskontrol af indgående materialer, analyse af ukendt plast, gennemgang af genanvendt indhold og litteraturunderstøttet fortolkning af reference-spektre.
Almindelige fejl
- At kalde et materialematch for tidligt, fordi en berømt top er til stede.
- Ignorer prøveforberedelse, fyldstoffer, oxidation, vand eller additiver, der kan ændre det tilsyneladende mønster.
- Brug af litteraturbevis uden at kontrollere, om din egen prøvetagningsmetode og spektrumkvalitet er sammenlignelige.
Verifikationsrådgivning
Brug DSC, GC-MS eller TGA til at validere materialehypotesen, når topmønstret er tvetydigt eller blandet.
Litteratur bag denne side
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Reactions of nitrite with goethite and surface Fe(II)-goethite complexes DOI: 10.1016/j.scitotenv.2021.146406 -
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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 -
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Effects of Flavin-Goethite Interaction on Goethite Reduction by Shewanella decolorationis S12 DOI: 10.3389/fmicb.2019.01623 -
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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 -
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Efficiency of Fe3O4 Nanoparticles with Different Pretreatments for Enhancing Biogas Yield of Macroalgae Ulva intestinalis Linnaeus DOI: 10.3390/molecules26165105 -
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Yang 等 - 2013 - Molecular-Scale Study of Salicylate Adsorption and DOI: 10.1021/jp4027578 -
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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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