Abstract
In the previous chapter, the calibration of the Raman system was performed via theoretical intensities and the spectral sensitivity of the Raman system over a wavelength range covering all six hydrogen isotopologues.
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Notes
- 1.
The Raman signal is given by the integrated area under a certain peak.
- 2.
Note that the standard symbol for the extent of reaction is \(\xi \). This symbol is also used in this publication: [10]. However, \(\xi \) has previously been utilized for the polarization cleanness in the depolarization ratio measurements. Therefore, the symbol \(r\) is used here to avoid ambiguities.
- 3.
In literature it is found, that theoretical calculations of \(K(T)\) (e.g. [11]) and experimental measurement [12] agree within less than \(2\,\%\). The theoretical calculations have been redone within this work by the author using the spectroscopic constants via [13, 14]. The results deviated less than \(0.3\,\%\) from those of [11].
- 4.
Note that in general the precision, i.e. reproducibility, of a measurement is not restricted by the limitations in the measurement trueness.
- 5.
The volumes are \(\mathrm{{V1}}=\left( 1665\pm 9\right) \,{\mathrm{{cm}}^3}\) and \(\mathrm{{V2}}=\left( 1655\pm 8\right) \,{\mathrm{{cm}}^3}\) as determined by the method described in [18].
- 6.
The pressure is measured by pressure gauges P1 and P2; \(\mathrm{{range}}=0\ldots 1000\,\mathrm{{mbar}}\); \(\mathrm{{accuracy}}=0.3\,\mathrm{{mbar}}\) (Baratron type 626AX13MBD, MKS).
- 7.
In this case the Leybold-Heraeus palladium diffusion cell PA 150.
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Schlösser, M. (2014). Calibration Based on Accurate Gas Samples (Method II). In: Accurate Calibration of Raman Systems. Springer Theses. Springer, Cham. https://doi.org/10.1007/978-3-319-06221-1_6
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