Carbohydrate — FTIR-absorptions-toppe og tildelinger
Dette er de karakteristiske FTIR-bølgetal, hvor Carbohydrate har tendens til at absorbere, samlet fra offentliggjort litteratur og rangeret efter understøttende evidens. Hver tildeling kan spores til en kilde (DOI) og er krydsvalideret mod vores 320,000+ referencespektrer og vidensgraf.
Understøttet af 8 citerede kilder
Hurtigt svar
Carbohydrate tildeles normalt ved at lede efter en tilbagevendende klynge af karakteristiske toppe frem for et præcist lærebogsnummer. Tabellen nedenfor viser, hvor litteraturen oftest placerer denne gruppe i FTIR, rangeret efter akkumuleret evidens.
Karakteristiske FTIR-toppe for Carbohydrate
| Bølgetal (cm⁻¹) | Understøttende fakta | Citerede kilder | Højeste tillid |
|---|---|---|---|
| 897 | 28 | 28 | 1,0 |
| 1730 | 19 | 17 | 1,0 |
| 1030 | 19 | 16 | 1,0 |
| 1050 | 18 | 17 | 1,0 |
| 900 | 18 | 15 | 1,0 |
| 1735 | 17 | 14 | 1,0 |
| 898 | 16 | 16 | 1,0 |
| 1000 | 16 | 15 | 1,0 |
| 1200 | 15 | 14 | 1,0 |
| 2900 | 14 | 14 | 1,0 |
| 1100 | 14 | 14 | 1,0 |
| 1032 | 13 | 12 | 1,0 |
| 1640 | 13 | 12 | 1,0 |
| 896 | 13 | 11 | 1,0 |
| 1370 | 12 | 12 | 1,0 |
| 1080 | 12 | 12 | 1,0 |
| 895 | 12 | 10 | 1,0 |
| 3400 | 11 | 11 | 1,0 |
| 1035 | 11 | 11 | 1,0 |
| 1740 | 11 | 11 | 1,0 |
| 1047 | 11 | 11 | 1,0 |
| 1700 | 11 | 10 | 1,0 |
| 1150 | 10 | 10 | 1,0 |
| 1732 | 10 | 10 | 1,0 |
| 1160 | 10 | 10 | 1,0 |
| 1420 | 10 | 10 | 1,0 |
| 1033 | 10 | 10 | 1,0 |
| 1157 | 10 | 9 | 1,0 |
| 1425 | 10 | 8 | 1,0 |
| 1240 | 9 | 9 | 1,0 |
Viser de 30 bedst understøttede toppe ud af 668 i alt for Carbohydrate.
Spektrumlogik
En funktionel gruppetildeling bliver mere sikker, når flere forventede bånd optræder sammen. Brug denne side til at finde de bedst understøttede peaks, og bekræft derefter, at den samme prøve udviser et sammenhængende mønster snarere end et enkelt isoleret hit.
Anvendelse i virkeligheden
Disse sider er nyttige til analyse af ukendte materialer, topforklaring i rapporter, polymerfejlfinding og verifikation af, om en kandidatmaterialefamilie er kemisk plausibel.
Almindelige fejl
- Brug af én funktionel-gruppe-side som en komplet materialebedømmelse uden at kontrollere resten af spektret.
- Antager, at det stærkeste bånd altid er det mest diagnostiske.
- At glemme, at forarbejdning, tilsætningsstoffer, ældning og blandinger kan flytte eller udvide forventede toppe.
Verifikationsrådgivning
Brug DSC, GC-MS eller TGA, når flere materialefamilier deler lignende bånd, eller når blandings-effekter gør FTIR-tildelingen usikker.
Litteratur bag disse tildelinger
-
1200 cm⁻¹ tillid 1,0
“The FTIR bands in the region of 900fucoidan standard is due to more sulfation at 1200cm-1 are characteristic of carbohydrates equatorial at the position in C3 and C2 (Patankar, (Pielesz and Biniaś, 2010).”
The Properties of Brown Marine Algae Sargassum turbinarioides and Sargassum ilicifolium Collected From Yogyakarta, Indonesia DOI: 10.14499/indonesianjpharm30iss1pp43 -
1037 cm⁻¹ tillid 1,0
“LLM confirmed rule peak-group candidate”
Optimization of citron peel pectin and glycerol concentration in the production of edible film using response surface methodology DOI: 10.1016/j.heliyon.2023.e13724 -
1047 cm⁻¹ tillid 1,0
“AHMT230 41.44 22.39 36.01 Absorption bands at 1047 are associated with starch grains' crystalline and amorphous domains, respectively and the ratio ± =”
The effect of heat moisture treatment on crystallinity and physicochemical-digestibility properties of purple yam flour DOI: 10.1016/j.foodhyd.2021.106889 -
1000 cm⁻¹ tillid 1,0
“This present study found that a peak at wavelength 1000 shows changes in proteoglycan, as also recorded in the previous studies [26].”
Diagnosis of Osteoarthritis at an Early Stage via Infrared Spectroscopy Combined Chemometrics in Human Serum: A Pilot Study DOI: 10.3390/pr11020404 -
1240 cm⁻¹ tillid 1,0
“cm-1 related compounds have been The disappearance of the lignin peak at 1240 could be due to conjugated ketone (phenyl-carbonyl) removal (lignin that is wrapping the surface of cellulose fibres).”
Physicochemical characterisation of barley straw treated with sodium hydroxide or urea and its digestibility and in vitro fermentability in ruminants DOI: 10.1038/s41598-022-24738-w -
1741 cm⁻¹ tillid 1,0
“Keywords: cm-1, cm-1 cm-1 spectroscopy shows the CMSS hydrogel absorption peaks at 1741 1605 and 1430 which Carboxymethyl starch indicates the substitution of carboxymethyl group of modified sago starch.”
Preparation and characterization of irradiated carboxymethyl sago starch-acid hydrogel and its application as metal scavenger in aqueous solution DOI: 10.1016/j.carbpol.2015.11.028 -
3331 cm⁻¹ tillid 1,0
“Strong absorption was observed at 3279.62, 3272.35 glucose and galactose and xylose with different concentracm-1 corresponding to the hydroxyl vibration and 3331.21 tion which is dependent on many factors.”
Evaluation of the effect of soluble polysaccharides of palm kernel cake as a potential prebiotic on the growth of probiotics DOI: 10.1007/s13205-018-1362-4 -
900 cm⁻¹ tillid 1,0
“Peaksbetween900and wereassignedtothe & from the spectra before and after UV irradiation treatment (Bhat C2 carbon of pyranose ring and amino group, respectively”
Spectroscopic analyses of the influence of electron beam irradiation doses on mechanical, transport properties and microstructure of chitosan-fish gelatin blend films DOI: 10.1016/j.foodhyd.2014.09.038
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