WebDEPT, which provides derived sub-spectral analysis of the 1D-13C spectrum, provided key confirmation of resonance assignments. The 1H 1D NMR spectrum of cinnamaldehyde is shown in Figure 2. The spectrum data was recorded at 500 MHz (1H) with a spectral width of 6038.65 Hz and 8192 complex points. The solvent peak (CDCl 3) appears at 7.27 ppm. WebData at NIST subscription sites: NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data) NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections ...
2-Propenoic acid, 3-phenyl-, methyl ester - webbook.nist.gov
WebJul 3, 2024 · Cinnamaldehyde is a naturally occurring flavonoid that gives the spice cinnamon its flavour and odour. It occurs naturally in the bark of cinnamon trees and other species of the genus Cinnamomum such as camphor and cassia. Sensitivity to cinnamaldehyde may be identified with a clinical patch test. Type Small Molecule … WebJan 25, 2024 · The identification of the compounds released after the pyrolysis was carried out by comparing their mass spectra with those of our own collection of standards, with those included in the Wiley and NIST mass spectra database, as well as with those described in the literature [26,27]. Molar peak areas were determined for each compound ... chipped central incisor
Amphetamine - NIST
WebIR Spectrum; Mass spectrum (electron ionization) UV/Visible spectrum; Gas Chromatography; Data at other public NIST sites: Gas Phase Kinetics Database; ... NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated … WebJan 13, 2010 · Data from NIST Standard Reference Database 69: NIST Chemistry WebBook; The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. WebGo To: Top, IR Spectrum, References. Data from NIST Standard Reference Database 69: NIST Chemistry WebBook; The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. chipped ceramic burr