Abstract:

Room temperature absorption spectra of 25 commercially available polycyclic aromatic hydrocarbons with molecular weight 302 (HMW-PAHs). Spectra were collected with a Cary 50 - Varian UV-VIS absorption spectrometer using a 1.5 nm band-pass. HMW-PAHs were dissolved in n-octane at the parts-per-billion concentration level. All spectra are blank subtracted.

Suggested Citation:

Maha Al-Tameemi, Luciano E. H. Violante, Andres D. Campiglia*. 2017. Room Temperature Absorption Spectra of High-Molecular Weight Polycyclic Aromatic Hydrocarbons. Distributed by: GRIIDC, Harte Research Institute, Texas A&M University–Corpus Christi. doi:10.7266/N7639N2G

Publications:

Santana, A., Comas, A., Wise, S., Wilson, W. B., and, & Campiglia, A. D. (2020). Instrumental improvements for the trace analysis of structural isomers of polycyclic aromatic hydrocarbons with molecular mass 302 Da. Analytica Chimica Acta, 1100, 163–173. doi:10.1016/j.aca.2019.10.067

Purpose:

Identify characteristics of HMW-PAH standards.

Data Parameters and Units:

column 1 = X values are wavelength (nm) column 2 = Y values are absorption.

Methods:

File naming convention - example 2_ppm_DBaeF_abs_blanksub_extended.txt, where 2 = concentration value of high molecular weight PAH standard; ppm = concentration unit (where ppm = parts per million or ppb = parts per billion); DBaeF = high molecular weight PAH standard, where the following code list was used: N23jF: Naphtho[2,3-j]fluoranthene DBelP: Dibenzo[e,l]pyrene DBafF: Dibenzo[a,f]fluoranthene N23aP: Naphtho[2,3-a]pyrene DBaeF: Dibenzo[a,e]fluoranthene N12kF: Naphtho[1,2-k]fluoranthene N23bF: Naphtho[2,3-b]fluoranthene N23eP: Naphtho[2,3-e]pyrene N23kF: Naphtho[2,3-k]fluoranthene BbPer: Benzo[b]perylene DBakF: Dibenzo[a,k]fluoranthene DBalP: Dibenzo[a,l]pyrene DBbkF: Dibenzo[b,k]fluoranthene DBdemnN: Dibenzo[de,mn]naphthacene DBjlF: Dibenzo[j,l]fluoranthene N12aP: Naphtho[1,2-a]pyrene N12bF: Naphtho[1,2-b]fluoranthene N12eP: Naphtho[1,2-e]pyrene N21aP: Naphtho[2,1-a]pyrene N21bF: Naphtho[2,1-b]fluoranthene DBaeP: Dibenzo[a,e]pyrene DBahP: Dibenzo[a,h]pyrene DBaiP: Dibenzo[a,i]pyrene; abs = absorption spectra; blanksub = values were corrected based on blanks; extended = spectra that were acquired for a certain wavelength range but then extended out to 700 nm so that all the spectra end at 700 nm or truncated = spectra that contained data past 700 nm and the data past 700 nm was removed.

Instruments:

Cary 50 Varian UV-VIS absorption spectrometer

Error Analysis:

Blank subtracted

Individual Files: