24938
Purge/Trap I Vocarb® 4000
for use with OI Analytical Eclipse 4660, 4560
Sinonimo/i:
PURGE TRAP I, O.I. ANALYTICAL 4560
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About This Item
Codice UNSPSC:
41115700
agenzia
suitable for EPA 601
applicazioni
environmental
Compatibilità
for use with OI Analytical Eclipse 4660, 4560
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Descrizione generale
Tubes used in purge and trap analyses generally are packed with multiple beds of adsorbent materials, so that a broad range of polar and nonpolar, high and low molecular weight compounds can be trapped in a single tube. Each bed protects the next, increasingly active bed, by preventing compounds from being held so strongly that they cannot be desorbed quickly without decomposition. During the purge phase of sampling, lower molecular weight compounds pass through the initial adsorbent beds but are trapped by succeeding beds. During desorption, the carrier gas passes through the trap in the reverse direction of purge flow, so that higher molecular weight compounds never come in contact with the stronger (innermost) adsorbents.
Applicazioni
Purge/Trap I Vocarb® 4000 may be used as a purge and trap system in the gas chromatographic analysis of volatile organic compounds.
Note legali
Vocarb is a registered trademark of Siemens Industry, Inc.
Codice della classe di stoccaggio
11 - Combustible Solids
Classe di pericolosità dell'acqua (WGK)
WGK 1
Punto d’infiammabilità (°F)
Not applicable
Punto d’infiammabilità (°C)
Not applicable
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Reactions of vinyl chloride and methanol in a quadrupole ion trap mass spectrometer during VOC analysis.
Bian L, et al.
Environmental Science & Technology, 33(9), 1528-1533 (1999)
Jinhyuk Park et al.
Nanomaterials (Basel, Switzerland), 9(11) (2019-11-17)
Surface-enhanced Raman spectroscopy (SERS) has been widely investigated in many applications. However, only little work has been done on using SERS for the detection of volatile organic compounds (VOCs), primarily due to the challenges associated with fabricating SERS substrates with
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