What absorbs at 1435 cm⁻¹ in an FTIR spectrum?
A band near 1435 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 6 cited sources
Mga posibleng pagtatalaga ng functional-group
| Functional group | Mga sumusuportang katotohanan | Mga nasiping sanggunian | Pinakamataas na kumpiyansa |
|---|---|---|---|
| Carbonate | 3 | 3 | 1.0 |
| Hydroxyl (O-H) | 2 | 1 | 0.8 |
| Ammonium | 1 | 1 | 0.9 |
Ang pagraranggo ay sumasalamin sa naipon na ebidensya ng literatura, hindi isang solong awtoritatibong tuntunin. Palaging kumpirmahin laban sa konteksto ng iyong sample.
Literatura sa likod ng mga pagtatalagang ito
-
Carbonate kumpiyansa 1.0
“Explicit assignment: 'A weak peak related to CO32- at around 1435 cm-1'”
Xing 等 - 2019 - Microstructural and Mechanical Properties of Alkal DOI: 10.3390/ma12132089 -
Ammonium kumpiyansa 0.9
“Absorption peak for ammonium”
Yu 等 - 2018 - Fast screening compositions of PM2.5 by ATR-FTIR DOI: 10.1016/j.jes.2017.11.021 -
Carbonate kumpiyansa 0.9
“Absorption band at 1435 cm-1 corresponds to carbonate.”
Esmaily 等 - 2015 - Influence of temperature on the atmospheric corros DOI: 10.1016/j.corsci.2014.10.040 -
Carbonate kumpiyansa 0.9
“Same attribution as above.”
Ouallal 等 - 2019 - Kinetic, isotherm and mechanism investigations of DOI: 10.1016/j.heliyon.2019.e01616 -
Hydroxyl (O-H) kumpiyansa 0.8
“Explicit assignment in text: '1435.48' and context mentions O-H bending.”
Sarfraz 等 - 2015 - Fabrication and Evaluation of Rosuvastatin Calcium DOI: 10.4314/tjpr.v14i11.2 -
kumpiyansa 0.8
“Representing asymmetric stretch.”
Shah 等 - 2018 - Reinforcement of Stearic Acid Treated Egg Shell Pa DOI: 10.3390/ma11101872
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