Comprehensive Instrumental Odor Analysis Using SIFT-MS: A Case Study
| Autor: | Mary Askey, Helena A. Barnes, James G. Olerenshaw, Vaughan S. Langford, Murray J. McEwan |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2018 |
| Předmět: |
Chromatography
Ion flow 010504 meteorology & atmospheric sciences Renewable Energy Sustainability and the Environment Manufacturing process musculoskeletal neural and ocular physiology 010401 analytical chemistry Mass spectrometry 01 natural sciences Mass spectrometric environmental odor SIFT-MS gelatin manufacture odor reduction 0104 chemical sciences Volatile fatty acids Odor Chemical diversity Environmental science Organosulfur compounds Ecology Evolution Behavior and Systematics psychological phenomena and processes 0105 earth and related environmental sciences General Environmental Science |
| Zdroj: | Environments; Volume 5; Issue 4; Pages: 43 |
| ISSN: | 2076-3298 |
| DOI: | 10.3390/environments5040043 |
| Popis: | Instrumental analysis of odor is challenging due to the chemical diversity of many important odorants, the high sensitivity required to achieve human odor thresholds, and the dynamic nature of the odor itself. Conventional sensor-based and chromatographic technologies are poorly suited to the task. In this paper, we apply a novel direct mass spectrometric technique—selected ion flow tube mass spectrometry (SIFT-MS)—to the chemical analysis of odor. The SIFT-MS technique provides comprehensive real-time odor analysis through detection and quantitation of all odorants, including aldehydes, amines, organosulfur compounds, and volatile fatty acids. In the case study described, SIFT-MS is utilized to monitor specific odor compounds at a gelatin factory in Christchurch, New Zealand. Odor composition from various steps in the gelatin manufacturing process was determined using SIFT-MS in scan mode. Over a period of several years, the gelatin manufacturer made improvements to their plant to reduce fugitive odors, and sources were re-analyzed. In this investigation, SIFT-MS analysis was utilized to evaluate the effectiveness of an odor neutralization technology based on UV photolysis at the plant. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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