24918

Purge/Trap I Vocarb^® 4000

for use with Tekmar^® 3000, 3100 (Straight, 12 in./30.5 cm, Valco fitting

• Synonim(y): PURGE TRAP I, Tekmar^® 3000
• UNSPSC Code: 41115700
• NACRES: NB.21

Właściwości

• agency: suitable for EPA 601
• Quality Segment: 100
• application(s): environmental
• compatibility: for use with Tekmar^® 3000, 3100 (Straight, 12 in./30.5 cm, Valco fitting

Opis

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.

Legal Information

Tekmar is a registered trademark of Tekmar Co.

Vocarb is a registered trademark of Siemens Industry, Inc.

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Informacja o środkach bezpieczeństwa

• Klasa składowania: 11 - Combustible Solids
• Co się dzieje?: WGK 1
• Temperatura zapłonu (°F): Not applicable
• Temperatura zapłonu (°C): Not applicable