April 27, 2007 - Modular gas standards generator 491M/B/SD dynamically blends precisely known VOC/TOC gas standards with parts-per-billion and parts-per-trillion analyte concentrations. In first stage, 491M/B combines analyte flow from Trace Source(TM) permeation tubes with precisely controlled flow of pure dilution gas to form parts-per-billion concentration mixture. Second stage, 491M/SD, further dilutes aliquot of ppb mixture to form part-per-trillion mixture.

Related categories: Materials and Material Processing | Test and Measuring Instruments

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Release date: April 13, 2007

Modular Generator for PPB/PPT Gas Standards

The 491M/B/SD MODULAR GAS STANDARDS GENERATOR dynamically blends precisely known VOC/TOC gas standards with parts-per-billion (ppb) and parts-per-trillion (ppt) analyte concentrations. Two modules provide two sequential stages of dilution. The first stage 491M/B combines the analyte flow from Trace Source(TM) permeation tubes with a precisely controlled flow of pure dilution gas to form a parts-per-billion concentration mixture. In the second stage 491M/SD, an aliquot of the ppb mixture is further diluted to form a ppt mixture. Trace Source(TM) permeation tubes are now available for 500 analyte compounds.

The 491M/B/SD uses dynamic blending to circumvent the common problems with ppb and ppt standards. Typically, ppb and ppt VOC/TOC gas standards are not stable in storage due to reactions and adsorption in the container. Dynamic blending avoids this problem. With dynamic blending the key challenges are controlling the analyte vapor flow and assuring true "zero" dilution gas. The modular, two-stage dilution approach of the 491M/B/SD uses permeation tubes with measurable rates to control analyte flow. Combined dilution flow required is 10 l/min or less. It also allows the "standard additions technique" to be used to insure accuracy in spite of significant, unknown dilution gas contamination.

For more information, contact:
KIN-TEK Laboratories, Inc., Phone: (409) 938-3627
www.kin-tek.com email: sales@kin-tek.com

Contacts:

Public Relations:
Marketing Ideas and Designs, Inc
LaDonna Herrera
USA
Phone: 256-657-6423

E-mail this person

General Information:
Susan Mazzantini
USA

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Company Information:
Name: Kin-Tek Laboratories
Address: 501 Laurel
City: LaMarque
State: TX
ZIP: 77568 4202
Country: USA
Phone: 800-326-3627
FAX: 409-938-3710
http://www.kin-tek.com

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