Abstract. 228 M. M. Grieman et al. Vanillic acid is a product of conifer lignin combustion, which has previously been observed in laboratory and ambient biomass burning aerosols. In this study a method was developed for analysis of vanillic acid in melted polar … Biomass burning is likely the only significant source of vanillic acid in polar ice. By continuing you agree to the use of cookies. Vanillic acid is a product of conifer lignin combustion, which has previously been observed in laboratory and ambient biomass burning aerosols. Levoglucosan as a specific marker of fire events in Greenland snow, Ice core records of biomass burning tracers (levoglucosan and dehydroabietic, vanillic and p-hydroxybenzoic acids) and total organic carbon for past 300 years in the Kamchatka Peninsula, Northeast Asia. Free phenolic compounds in waters of the Ross Sea. Measurements of vanillic acid in Arctic ice core samples from the Siberian Akademii Nauk core are shown as an example application of the method. IUPAC Standard InChIKey: UQZKEPFYTGMPKU-UHFFFAOYSA-N CAS Registry Number: 2078-15-1 Chemical structure: This structure is also available as a 2d Mol file; Other names: Benzoic acid, 3-methoxy-4-[(trimethylsilyl)oxy]-, trimethylsilyl ester; m-Anisic acid, 4-(trimethylsiloxy)-, trimethylsilyl ester; 4,7-Bis(trimethylsilyl)vanillic acid; Vanillic acid… Vanillic acid was chromatographically separated using reversed phase LC and detected using electrospray triple quadrupole mass spectrometry (ESI-MS/MS).

Agreement NNX16AC86A, Is ADS down? Biomass burning generates a wide range of organic compounds that are transported via aerosols to the polar ice sheets. Vanillic acid is a monohydroxybenzoic acid that is 4-hydroxybenzoic acid substituted by a methoxy group at position 3. Vanillic acid was chromatographically separated using reversed-phase liquid chromatography (HPLC) and detected using electrospray ionization–triple quadrupole mass spectrometry (ESI-MS/MS). The methoxy groups in the phenol rings are common substituents in natural phenolic antioxidants, such as phenolic alcohols, vanillic alcohol, homovanillic alcohol or veratryl alcohol and phenolic acids, vanillic acid, homovanillic acid, syringic acid, synapic acid, or ferulic acid.Preliminary data on radical scavenging efficiency comparing caffeic acid (13) and ferulic acid … Correspondence: M. M. Grieman (mgrieman@uci.edu). The method was used to analyze more than 1000 discrete samples from the Akademii Nauk ice cap on Severnaya Zemlya in the high Russia Arctic (79°30'N, 97°45'E) (Fritzsche et al., 2002; Fritzsche et al., 2005; Weiler et al., 2005). Notice, Smithsonian Terms of Vanillic acid 97% Synonym: 4-Hydroxy-3-methoxybenzoic acid CAS Number 121-34-6. An interactive open-access journal of the European Geosciences Union, All site content, except where otherwise noted, is licensed under the, Department of Earth System Science, University of California, Irvine, USA, Department of Chemistry, University of California, Irvine, USA, Geoscientific Instrumentation, Methods and Data Systems, Natural Hazards and Earth System Sciences. Molecular markers of biomass burning in arctic aerosols. Many different proxies have been used to reconstruct past fire frequency from lake sediments and polar ice cores. PDF | Biomass burning generates a wide range of organic compounds that are transported via aerosols to the polar ice sheets.

Vanillic acid is a product of conifer lignin combustion, which has previously been observed in laboratory and ambient biomass burning aerosols. Linear Formula HOC 6 H 3 (OCH 3)CO 2 H . Notice, Smithsonian Terms of © Author(s) 2015. Biomass burning generates a wide range of organic compounds that are transported via aerosols to the polar ice sheets. Aromatic acids as biomass-burning tracers in atmospheric aerosols and ice cores: A review. Better results were obtained using the Abraham solvation model with average relative deviations (ARD) of 15% for the correlation set and 26% for the predictions, which are more satisfactory than the results found with the NRTL-SAC model (33% for the correlation and 59% for the predictions) or the NRTL-SAC model combined with RSA (30% for the correlation and 59% for the predictions). In this study a method was developed for analysis of vanillic acid in melted polar ice core samples. Using a 100 I1/4L injection loop and analysis time of 4 min, we obtained a detection limit of 77 ppt (parts per trillion by mass) and an analytical precision of ±10%. Use, Smithsonian The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative In acetonitrile, the most soluble compound is veratric acid, followed by syringic acid, and finally vanillic acid. Use, Smithsonian The Abraham solvation model and the NRTL-SAC model were successfully applied to describe the solubility data. For ethyl acetate and 2-butanone, vanillic acid is still the most soluble one, but less polar veratric acid presents higher solubilities than syringic acid. Vanillic acid is a product of conifer lignin combustion, which has previously been observed in laboratory and ambient biomass burning aerosols. Abstract. A set of solvents was used to estimate the model parameters and afterwards, solubility predictions were carried out for binary systems not included in the correlation step. Vanillic acid is a product of conifer lignin combustion, which has previously been observed in laboratory and ambient biomass burning aerosols. Agreement NNX16AC86A, Is ADS down?