24938
Purge/Trap I Vocarb® 4000
for use with OI Analytical Eclipse 4660, 4560
Synonim(y):
PURGE TRAP I, O.I. ANALYTICAL 4560
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Informacje o tej pozycji
UNSPSC Code:
41115700
NACRES:
NB.21
Pomoc techniczna
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suitable for EPA 601
Quality Segment
application(s)
environmental
compatibility
for use with OI Analytical Eclipse 4660, 4560
General description
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.
Application
Purge/Trap I Vocarb® 4000 may be used as a purge and trap system in the gas chromatographic analysis of volatile organic compounds.
Legal Information
Vocarb is a registered trademark of Siemens Industry, Inc.
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Klasa składowania
11 - Combustible Solids
Co się dzieje?
WGK 1
Temperatura zapłonu (°F)
Not applicable
Temperatura zapłonu (°C)
Not applicable
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