Triglyceride — Puncak serapan FTIR dan tugasan
Ini ialah nombor gelombang FTIR ciri apabila Triglyceride 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
Triglyceride 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 Triglyceride
| Nombor gelombang (cm⁻¹) | Fakta sokongan | Sumber dipetik | Keyakinan tertinggi |
|---|---|---|---|
| 1745 | 4 | 4 | 1.0 |
| 1741 | 3 | 2 | 1.0 |
| 1740 | 2 | 2 | 1.0 |
| 1708 | 2 | 1 | 1.0 |
| 1380 | 1 | 1 | 1.0 |
| 1170 | 1 | 1 | 1.0 |
| 1710 | 1 | 1 | 1.0 |
| 1751 | 1 | 1 | 1.0 |
| 1717 | 1 | 1 | 1.0 |
| 437 | 1 | 1 | 1.0 |
| 2951 | 1 | 1 | 1.0 |
| 1744 | 1 | 1 | 1.0 |
| 2856 | 1 | 1 | 1.0 |
| 2922 | 1 | 1 | 1.0 |
| 1743 | 1 | 1 | 1.0 |
| 2924 | 1 | 1 | 1.0 |
| 1657 | 1 | 1 | 1.0 |
| 1095 | 1 | 1 | 1.0 |
| 1371 | 1 | 1 | 1.0 |
| 1465 | 1 | 1 | 1.0 |
| 2929 | 1 | 1 | 1.0 |
| 1151 | 1 | 1 | 1.0 |
| 1454 | 1 | 1 | 1.0 |
| 2854 | 1 | 1 | 0.9 |
| 1754 | 1 | 0 | 1.0 |
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
-
1745 cm⁻¹ keyakinan 1.0
“[47], who obtained a sharp peak at 1745 associated with the stretching-shaking of ester carbonyl functional sets of triglycerides.”
Characterizing the Bioactive Ingredients in Sesame Oil Affected by Multiple Roasting Methods DOI: 10.3390/foods11152261 -
2929 cm⁻¹ keyakinan 1.0
“The small shoulder cm-1 peak at 3008 (represents C-H stretching symmetric vibration of cis-olefinic doublecm-1 bonds, =CH), sharp peak at 2929 (associated to asymmetric stretching vibration of C-H cm-1 bonds of aliphatic CH groups of trigly”
Impact of infrared and dry air roasting on the oxidative stability, fatty acid composition, Maillard reaction products and other chemical properties of black cumin (Nigella sativa L.) seed oil DOI: 10.1016/j.foodchem.2019.05.140 -
1657 cm⁻¹ keyakinan 1.0
“to the C=O ester stretching vibration of triglycerides, is mainly due to lipids, cm-1 cm-1 the bands centered at 1657 the prominent peak centered at 2927 is mainly due is mainly assigned to to lipids and with little contribution from protei”
Differentiation in MALDI-TOF MS and FTIR spectra between two closely related species Acidovorax oryzae and Acidovorax citrulli DOI: 10.1186/1471-2180-12-182 -
2924 cm⁻¹ keyakinan 1.0
“LLM confirmed rule peak-group candidate”
Artisanal oil obtained from insects’ larvae (Speciomerus ruficornis): fatty acids composition, physicochemical, nutritional and antioxidant properties for application in food DOI: 10.1007/s00217-021-03752-8 -
1743 cm⁻¹ keyakinan 1.0
“Figure 3: ATR-FTIR spectrum of Croton oil from Sipili, Kenya, before baseline subtraction and normalization to the C=O stretch cm-1 at 1743 attributed to the ester carbonyl of the triglycerides.”
Insights into Geographic and Temporal Variation in Fatty Acid Composition of Croton Nuts Using ATR-FTIR DOI: 10.1155/2018/4739759 -
2922 cm⁻¹ keyakinan 1.0
“The sharp peaks at 2922 and 2856 are mainly due to the triglycerides comcm-1 The sharp peaks at 2922 and 2856 cm-1 are mainly due to the triglycerides comprising 83prising 83-86% of total neutral lipids in RBO.”
The Influence of Emulsifiers on the Physiochemical Behavior of Soy Wax/Rice Bran Oil-Based Oleogels and Their Application in Nutraceutical Delivery DOI: 10.3390/gels9010047 -
1744 cm⁻¹ keyakinan 1.0
“The band at wavelength 1744 corresponds functional group of triglycerides, which come from the olive oil present in the composites to the carbonyl functional group of triglycerides, which come from the olive oil present”
Preparation and Characterisation of Acid–Base-Change-Sensitive Binary Biopolymer Films with Olive Oil and Ozonated Olive Oil Nano/Microcapsules and Added Hibiscus Extract DOI: 10.3390/ijms241411502 -
2951 cm⁻¹ keyakinan 1.0
“The bands with the maxima at 2951 and 2852 correspond to the stretching vibrations of -C-H in -CH 3, CH 2, present in the aliphatic groups in triglycerides.”
Comparative Analysis of Phytochemicals and Antioxidant Properties of Borage Oil (Borago officinalis L.) and Milk Thistle (Silybum marianum Gaertn) DOI: 10.3390/app13042560
Lihat Triglyceride 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.