What absorbs at 3405 cm⁻¹ in an FTIR spectrum?
A band near 3405 cm⁻¹ can point to several functional groups. Below are the most likely assignments, ranked by how much published evidence supports each — every one traceable to literature (DOI) and cross-validated against our 130,000+ reference spectra and knowledge graph.
Backed by 8 cited sources
가능한 작용기 할당
| 작용기 | 지원 사실 | 인용 출처 | 최고 신뢰도 |
|---|---|---|---|
| Hydroxyl (O-H) | 8 | 8 | 0.9 |
| N h | 1 | 1 | 0.9 |
순위는 단일 권위 규칙이 아닌 축적된 문헌 증거를 반영합니다. 항상 샘플 상황에 대해 확인하세요.
이 할당의 배경이 되는 문헌
-
Hydroxyl (O-H) 신뢰도 0.9
“Explicit assignment: 'broad 3405.20 cm-1 eOH announcing presence of group'”
Nagpal 等 - 2018 - Ultrasound, microwave. and Box-Behnken Design amal DOI: 10.1016/j.compag.2017.12.036 -
Hydroxyl (O-H) 신뢰도 0.9
“Explicit assignment in text.”
Sun 等 - 2019 - Pyrolysis characteristics of ethanol swelling Shen DOI: 10.1016/j.jaap.2018.12.012 -
Hydroxyl (O-H) 신뢰도 0.9
“Explicit assignment: 'O-H stretching at 3405'.”
Kanbar 和 Kaouk - 2019 - Mineral and chemical changes of sediments after Cu DOI: 10.1016/j.chemosphere.2019.124393 -
Hydroxyl (O-H) 신뢰도 0.9
“Explicit assignment: 'angular deformation of O-H and N-H' at 3405 cm-1.”
Mi 等 - 2020 - Modification of Hydroxypropyltrimethyl Ammonium Ch DOI: 10.3390/polym12112460 -
Hydroxyl (O-H) 신뢰도 0.9
“Stretching vibrations of OH groups in water molecules.”
Norman 等 - 2016 - Sodium Copper Chlorophyllin Immobilization onto Hi DOI: 10.3390/ijms17101564 -
신뢰도 0.9
“Strain band attributed to OH vibrations of clay hydration water”
Turki 等 - 2022 - Environmental Application of Acid Activated Kaolin DOI: 10.21203/rs.3.rs-809851/v1 -
Hydroxyl (O-H) 신뢰도 0.9
“Explicit assignment: broad absorption at 3405.03 cm-1 corresponds to O-H stretching.”
Yang 等 - 2018 - Structural Characterization and Antitumor Activity DOI: 10.1155/2018/9579262 -
Hydroxyl (O-H) 신뢰도 0.8
“Attributed to OH stretching vibrations from gypsum.”
Damjanovic 等 - 2015 - Spectroscopic investigation of two Serbian icons p DOI: 10.2298/JSC140722099D
이 밴드가 있는 스펙트럼이 있나요?
FTIR 스펙트럼을 업로드하면 몇 초 안에 전체 해석 보고서(문헌 인용이 포함된 피크 할당, 라이브러리 매칭, 신뢰도 평가 증거 체인)를 받을 수 있습니다.
내 스펙트럼 해석