Article: New biofuel and TPH standards.(UPDATE ON Chemical & Gas Standards)

Article: Gas Standards Generator: calibrates most gas ...
Laboratory Equipment;  September 1, 2002 ;     606 words ...The 491MB Gas Standards Generator is a laboratory instrument designed to calibrate most ... uses Trace Source Permeation Tubes to generate low concentrations gas standards for VOCs, Acid Gases, Amines, Sulfurs, and Hydrocarbons. The ...

Article: Gas Standards Generator uses two stages of ...
Laboratory Equipment;  October 1, 2003 ;     385 words ...The 491M/B/SD Gas Standards Generator blends precisely known gas standards with parts-per-trillion analyte concentrations. The system uses two stages of dilution to achieve ppt concentrations. The first stage combines the emission of analyte ...

Article: Gas standards for GC analyzers.(UPDATE ON: Chemical ...
Laboratory Equipment;  January 1, 2007 ;     549 words ...Proprietary gas standards for the MiCro GC gas analyzers ensure optimal instrument installation and performance. They include a universal gas mixture and ...

Article: Gas Standards Generator calibrates most gas ...
Laboratory Equipment;  June 1, 2003 ;     369 words ...The 491MB Gas Standards Generator is a laboratory instrument designed to calibrate most ... Permeation Tubes to generate low concentrations, 1000 ppm to ppb, gas standards for VOCx, Acid Gases, Amines, Sulfurs, and Hydrocarbons. The ...

Article: Gas Standards Generator. (Addenda).
Laboratory Equipment;  February 1, 2003 ;     365 words ...Booth 3712. The 491M Gas Standards Generator is a modular, versatile system for blending precision gas standards in the laboratory. A unique feature of this unit is its capability of generating concentration ranges from sub-ppb levels to over ...

Article: Modular gas standards generator.(PRODUCT NEWS)
Laboratory Equipment;  October 1, 2007 ;     414 words ...[ILLUSTRATION OMITTED] The 491 M/B/SD modular gas standards generator dynamically blends precisely known VOC/TOC gas standards with ppb and ppt analyte concentrations. Two modules provide two sequential stages of dilution. The first stage ...

Article: Portable gas standards generating station.(UPDATE ...
Laboratory Equipment;  October 1, 2005 ;     569 words ...The Span Lab Cal Cart integrates the elements of a gas standards generating system for creating complex, trace concentration ... cart is designed around the proprietary 491M Modular Gas Standards Generating System. A system with up to six modules ...