Chitosan — Puncak serapan FTIR dan tugasan
Ini ialah nombor gelombang FTIR ciri apabila Chitosan cenderung menyerap, yang dihimpunkan daripada literatur yang diterbitkan dan diperingkat berdasarkan bukti sokongan. Setiap penetapan boleh dijejaki kepada sumber (DOI) dan disahkan silang terhadap 320,000+ spektrum rujukan serta graf pengetahuan kami.
Disokong oleh 8 sumber yang dipetik
Jawapan pantas
Chitosan 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 Chitosan
| Nombor gelombang (cm⁻¹) | Fakta sokongan | Sumber dipetik | Keyakinan tertinggi |
|---|---|---|---|
| 1655 | 4 | 4 | 1.0 |
| 1080 | 3 | 3 | 1.0 |
| 1642 | 3 | 2 | 1.0 |
| 1630 | 3 | 2 | 1.0 |
| 1062 | 2 | 2 | 1.0 |
| 1151 | 2 | 2 | 1.0 |
| 1610 | 2 | 2 | 1.0 |
| 1650 | 2 | 2 | 1.0 |
| 2800 | 2 | 2 | 1.0 |
| 3354 | 2 | 2 | 1.0 |
| 1418 | 2 | 2 | 1.0 |
| 3458 | 2 | 2 | 1.0 |
| 3000 | 2 | 2 | 1.0 |
| 1654 | 2 | 1 | 1.0 |
| 1452 | 1 | 1 | 1.0 |
| 2928 | 1 | 1 | 1.0 |
| 1012 | 1 | 1 | 1.0 |
| 1195 | 1 | 1 | 1.0 |
| 1106 | 1 | 1 | 1.0 |
| 1375 | 1 | 1 | 1.0 |
| 1705 | 1 | 1 | 1.0 |
| 2850 | 1 | 1 | 1.0 |
| 1633 | 1 | 1 | 1.0 |
| 1064 | 1 | 1 | 1.0 |
| 2874 | 1 | 1 | 1.0 |
| 1071 | 1 | 1 | 1.0 |
| 1148 | 1 | 1 | 1.0 |
| 3846 | 1 | 1 | 1.0 |
| 1230 | 1 | 1 | 1.0 |
| 3448 | 1 | 1 | 1.0 |
Menunjukkan 30 puncak terbaik disokong daripada 148 jumlah untuk Chitosan.
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
-
2361 cm⁻¹ keyakinan 1.0
“A signal at 1737 on chitosan spectrum was attributed to the carboxylic (C=O) groups T 2361cm-1 overlapped by MPEO incorporation.”
Mentha piperita essential oils loaded in a chitosan nanogel with inhibitory effect on biofilm formation against S. mutans on the dental surface DOI: 10.1016/j.carbpol.2019.02.018 -
2071 cm⁻¹ keyakinan 1.0
“3(b) that the introcm-1 the contact ion-pairs, the band at 2071 is attributed to the duction of the phthalimido group into the chitosan backbone has 2033cm-1 reflection triple ion aggregates and the band at is assigned to the disrupted the”
Synthesis and characterizations of phthaloyl chitosan-based polymer electrolytes DOI: 10.1016/j.jnoncrysol.2012.04.019 -
2908 cm⁻¹ keyakinan 1.0
“The peak at 2908.04 corresponded to cm(cid:2)1 Chitosan film CeH the stretching, while the band at 1335.74 was OeH the of water.”
Bourtoom 和 Chinnan - 2008 - Preparation and properties of rice starch-chitosan DOI: 10.1016/j.lwt.2007.10.014 -
2878 cm⁻¹ keyakinan 1.0
“The band at cm(cid:1)1 gelthestraincurvedisplaysajumpofthestrainvalueinresponse of chitosan corresponding to the C-H vibration, is 2878 OF cm(cid:1)1”
Improved mechanical and photophysical properties of chitosan incorporated folic acid gel possessing the characteristics of dye and metal ion absorption DOI: 10.1039/c2jm33995a -
3000 cm⁻¹ keyakinan 1.0
“Because the concentrated acids clean samples from any bands above 3000 are related to the overlap of the stretching impurity, which give chitosan more opportunities for recrystallization vibration of the OH and NH bonds [35, 36].”
A comparison of chitosan properties after extraction from shrimp shells by diluted and concentrated acids DOI: 10.1016/j.heliyon.2020.e03486 -
3438 cm⁻¹ keyakinan 1.0
“Figure 1C, for the hybrid brid chitosan-CuO nanocomposite, showed the noisy shape with the presence of the broad chitosan-CuO nanocomposite, showed the noisy shape with the presence of the broad band at 3438 cm-1 and the two characteristic”
Chitosan Capped Copper Oxide Nanocomposite: Efficient, Recyclable, Heterogeneous Base Catalyst for Synthesis of Nitroolefins DOI: 10.3390/catal12090964 -
3426 cm⁻¹ keyakinan 1.0
“Based on the FTIR spectra of the cm-1 chitosan membrane in Figure 2 showed that it has a wide absorption at 3425.58 that indicates the cm-1 vibration stretching -OH group.”
Synthesis and Characterization of Chitosan Membrane as a Matrix in Drug Delivery of Curcumin DOI: 10.1088/1757-899X/833/1/012068 -
3621 cm⁻¹ keyakinan 1.0
“FTIR spectrum presented significant peaks at 3621 1013 was attributed to chitosan, Accepted: 11October2022 cm-1 29Si, 27Al, 13H and 787 signified the stretching of Si-O-Si on HNT.”
Synthesis and Optimization of Superhydrophilic-Superoleophobic Chitosan–Silica/HNT Nanocomposite Coating for Oil–Water Separation Using Response Surface Methodology DOI: 10.3390/nano12203673
Lihat Chitosan 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.