Merck
All Photos(1)

20294

Supelco

Purge/Trap E

for use with Tekmar® Velocity XPT, LSC-1, LSC-2, LSC-2000, 4000 (Straight, 12 in./30.5 cm, Swagelok fitting), HT-3

Synonym(s):
PURGE TRAP E. Tekmar

application(s)

environmental

Quality Level

compatibility

for use with Tekmar® Velocity XPT, LSC-1, LSC-2, LSC-2000, 4000 (Straight, 12 in./30.5 cm, Swagelok fitting), HT-3

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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.

Pictograms

Exclamation markHealth hazard

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT RE 1 Inhalation - STOT SE 3

Target Organs

Lungs, Respiratory system

Storage Class Code

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

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Certificate of Origin

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