期刊
ANALYTICAL METHODS
卷 7, 期 7, 页码 3298-3301出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ay00080g
关键词
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资金
- Science Foundation Ireland [11/RFP/GEO3200, 13/ISCA/2846]
- Science Foundation Ireland (SFI) [13/ISCA/2846] Funding Source: Science Foundation Ireland (SFI)
Sensitive absorption techniques using optical cavities (such as CEAS or ICOS) generally need the spectrometer response to be calibrated for quantitative measurements. Most calibrations are based on the instrument response to a known, steady state absorption. Such calibrations often have drawbacks in terms of cost, complexity, or convenience, especially for field measurements. In this paper, we show that the relationship between the integrated absorption and a known amount of absorber provides an alternative calibration strategy that yields a highly linear calibration curve and has a low uncertainty. This method is straightforward to implement and offers a practical alternative to other calibration strategies.
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