Adsorbed carbon monoxide — Puncak serapan FTIR dan tugasan
Ini adalah nombor gelombang FTIR ciri di mana Adsorbed carbon monoxide cenderung menyerap, disusun dari literatur yang diterbitkan dan disusun berdasarkan bukti sokongan. Setiap tugasan dapat dikesan ke sumber (DOI) dan disahkan silang terhadap 130,000+ spektrum rujukan dan graf pengetahuan kami.
Backed by 8 cited sources
Jawapan pantas
Adsorbed carbon monoxide biasanya ditetapkan dengan mencari kelompok berulang puncak ciri dan bukan satu nombor tepat buku teks. Jadual di bawah menunjukkan di mana literatur paling kerap meletakkan kumpulan ini dalam FTIR, yang disusun mengikut bukti terkumpul.
Puncak FTIR ciri untuk Adsorbed carbon monoxide
| Nombor gelombang (cm⁻¹) | Fakta sokongan | Sumber dipetik | Keyakinan tertinggi |
|---|---|---|---|
| 2100 | 7 | 4 | 1.0 |
| 2000 | 5 | 3 | 1.0 |
| 669 | 4 | 4 | 1.0 |
| 2181 | 4 | 4 | 1.0 |
| 1900 | 4 | 3 | 1.0 |
| 2050 | 4 | 3 | 1.0 |
| 2115 | 4 | 2 | 1.0 |
| 2060 | 3 | 2 | 1.0 |
| 2079 | 3 | 1 | 1.0 |
| 2040 | 2 | 2 | 1.0 |
| 2080 | 2 | 2 | 1.0 |
| 2173 | 2 | 2 | 1.0 |
| 3650 | 2 | 2 | 1.0 |
| 2070 | 2 | 2 | 1.0 |
| 2186 | 2 | 2 | 1.0 |
| 2130 | 2 | 2 | 1.0 |
| 2065 | 2 | 2 | 1.0 |
| 2010 | 2 | 2 | 1.0 |
| 2141 | 2 | 2 | 1.0 |
| 2113 | 2 | 2 | 1.0 |
| 1760 | 2 | 1 | 1.0 |
| 2140 | 2 | 1 | 1.0 |
| 2119 | 2 | 1 | 1.0 |
| 2178 | 2 | 1 | 1.0 |
| 2170 | 2 | 1 | 1.0 |
| 2156 | 2 | 1 | 1.0 |
| 2200 | 2 | 1 | 1.0 |
| 2112 | 2 | 1 | 1.0 |
| 2035 | 2 | 1 | 1.0 |
| 2124 | 2 | 1 | 1.0 |
Menunjukkan 30 puncak terbaik disokong daripada 149 jumlah untuk Adsorbed carbon monoxide.
Logik spektrum
Tugasan kumpulan berfungsi menjadi lebih yakin apabila beberapa jalur yang dijangkakan muncul bersama. Gunakan halaman ini untuk mencari puncak yang paling disokong, kemudian sahkan bahawa sampel yang sama menunjukkan corak yang koheren dan bukannya satu hit terpencil.
Penggunaan dunia sebenar
Halaman-halaman ini berguna untuk analisis bahan yang tidak diketahui, penjelasan puncak dalam laporan, penyelesaian masalah polimer, dan mengesahkan sama ada keluarga bahan calon adalah boleh dipercayai secara kimia.
Kesilapan biasa
- Menggunakan satu halaman kumpulan berfungsi sebagai keputusan bahan lengkap tanpa memeriksa spektrum yang lain.
- Dengan menganggap jalur yang paling kuat sentiasa menjadi yang paling diagnostik.
- Melupakan bahawa pemprosesan, bahan tambahan, penuaan, dan campuran boleh mengalihkan atau melebarkan puncak yang dijangkakan.
Nasihat pengesahan
Gunakan DSC, GC-MS, atau TGA apabila beberapa keluarga bahan berkongsi jalur yang serupa atau apabila kesan campuran menyebabkan tugasan FTIR tidak pasti.
Literatur di sebalik penetapan ini
-
2400 cm⁻¹ keyakinan 1.0
“The deformation band of C=O at around and absorption peaks ob2400cm(cid:2)1 served ordinary between 2300 and due to adsorbed CO molecules in air are absent in our”
Mn doped ZnO nanostructured thin films prepared by ultrasonic spray pyrolysis method DOI: 10.1016/j.spmi.2012.06.023 -
2082 cm⁻¹ keyakinan 1.0
“FTIR cm-1 of 1% Pt/CeO shows a strongly adsorbed CO peak at 2082 corresponding to oxidized Pt.”
Bera 等 - 2003 - Promoting effect of CeO2 in combustion synthesized DOI: 10.1021/jp022132f -
2091 cm⁻¹ keyakinan 1.0
“Results of CO adsorbed on atop sites on Pt/SiO 2 2 cm)1 includes: an peak at 2091 a peak at 2080 and a peak at 2067 indicating three kinds of adsorption sites for a b c dissociative hydrogen on Pt/SiO 2.”
Chen 等 - 2005 - Infrared study of benzene hydrogenation on PtSiO2 DOI: 10.1007/s10562-005-8684-7 -
1611 cm⁻¹ keyakinan 1.0
“comparetothatobservedonpuregalliumorceriumoxides.Inaddition to the bands mentioned above, the spectrum of CO adsorbed on CeGa-IC shows intense and sharp bands at 1611, 1390, and 1216cm-1, similar to those observed in the CO-Ga 2O spectrum.”
Effect of gallia doping on the acid⠍base and redox properties of ceria DOI: 10.1016/j.apcata.2010.08.050 -
2088 cm⁻¹ keyakinan 1.0
“1997, 1880, and 1651 The observed peaks at 2088 and cm(cid:3)1 1880 are characteristic of CO adsorbed on different species of reflecting the decrease of the population of adsorption sites as a Pt0.Accordingtoliteraturedata,thesmallcarbonyls”
CO oxidation and 4-nitrophenol reduction over ceria-promoted platinum nanoparticles impregnated with ZSM-5 zeolite DOI: 10.1016/j.jre.2021.07.009 -
2120 cm⁻¹ keyakinan 1.0
“over Pt/SiO 2 Otherauthors,however,eitherhavenotobservedapeak The oxidation of carbon monoxide is one of the most incm¡1 at all (1, 12) or have not observed the peak to at 2120 tensely studied reactions in the history of catalysis.”
Fanson 等 - 2001 - Island formation during kinetic rate oscillations DOI: 10.1006/jcat.2001.3369 -
2115 cm⁻¹ keyakinan 1.0
“DRIFTS results on 2 cm-1 bands at 2115 and 2173 are indicative of linearly adsorbed CO adsorption using in situ FTIR (DRIFTS) was used to probe the on metallic gold [5] and the titania support [29], respectively, CO”
Gaur 等 - 2013 - CO oxidation studies over cluster-derived AuTiO2 DOI: 10.1016/j.cattod.2012.10.029 -
2340 cm⁻¹ keyakinan 1.0
“(A) Changes in the IR peak at around 2100 after switching to a flow of 2.5% O and (B) corresponding changes in the peak 2 cm-1, intensity (curve b) and intensity of the adsorbed CO peak (2340 curve a).”
In Situ Transient FTIR and XANES Studies of the Evolution of Surface Species in CO Oxidation on Au/TiO<sub>2</sub> DOI: 10.1021/jp0568733
Lihat Adsorbed carbon monoxide dalam spektrum anda sendiri
Muat naik spektrum FTIR anda dan dapatkan laporan tafsiran penuh — tugasan puncak dengan petikan literatur, padanan perpustakaan, dan analisis berasaskan literatur — dalam beberapa saat.