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CURRENT ISSUE: January/February 2015

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Gases & Instrumentation International Magazine (G&I) is a source of information for the technology and application of bulk and specialty gases. G&I also addresses gases-related instrumentation for measurement, detection and analysis. as well as gas flow measurement and control, vacuum and compressor technology, piping, and welding. It is designed for anyone involved with detection, analysis or delivery of gases from the university research laboratory to the production line. Vertical markets covered include semiconductors, photovoltaics, pharmaceutical, medical, chemical processing, electronics manufacturing, and food and beverage.

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January/February 2015
New Technology for Continuous Emissions Monitoring
Focusing on stack gas analysis of hydrogen chloride (HCl), this article offers a first-hand look at one companyís journey, from the rarified environment of the US National Metrology Institute to the base of an unheated, 100 meter umbilical at a coal-fired plant in Missouri and beyond. Along the way, Tiger Optics LLC demonstrated that new analytical technology truly helps our nationís smokestack industries meet their commitments for a cleaner, safer environment.

January/February 2015
Cheating Raoultís Law to Enable the Delivery of Hydrogen Peroxide as a Stable Vapor
Raoultís law states that the partial vapor pressure of each component of an ideal mixture of liquids is equal to the vapor pressure of the pure component multiplied by its mole fraction in the mixture. When applied to a vapor pulled off the headspace of a solution of hydrogen peroxide (H2O2) and water, Raoultís law determines that water will be preferentially removed. This leads to a continuous decrease in the water content of the solution while the H2O2 content in the vapor will continuously increase. RASIRC has developed a new membrane vaporizer that overcomes these limitations that have plagued bubblers and vaporizers.

January/February 2015
Chilled Mirror Hygrometry, a Technology for Process and Lab
Of all the instrumental methods for measuring the water vapor content of gases, chilled mirror hygrometry (CMH) is one of the most useful owing to its inherent accuracy, unparalleled wide dynamic range, ease of operation, and low maintenance. This article will describe how the measurement of dew/frost point is made by the chilled mirror hygrometer and how other humidity related quantities such as relative humidity, and mixing ratio can be calculated using this dew/ frost point along with gas temperature and pressure.

January/February 2015
Editorial: From Peru to Peroxide
If global warming is a hoax, it has fooled the nearly 200 countries whose represntatives recently attended the climate change conference in Lima, Peru, that just ended this month. The conference resulted in the firmest resolution by a large number of countries since the 1997 Kyoto Protocol.

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Important Websites to Visit
Buckley Industrial can provide high quality hydrostatic testing facilities to companies worldwide.
OGSI: Manufacturer and marketer of on-site oxygen generators
Resources for those interested in becoming an instrumentation technician.

Book Documents Elimination Of MTBE In United States

The Oxygenated Gas Blues, written by Barry P. Dorfman, M.Ed., provides a detailed description of the grass-roots movement against the gasoline additive methyl tertiary butyl ether (MTBE)
(read more)



AHR Expo
January 26-28, 2015
McCormick Place
Chicago, Illinois, USA

SEMICON Korea 2015
February 4-6, 2015
Seoul, Korea

LED Korea 2015
February 4-6, 2015
Seoul, Korea

Industry Strategy Symposium (ISS Europe 2015)
February 22-24, 2015

February 24-26, 2015
Koeln Messe
Cologne, Germany

MIRSENS (mid-infrared laser-based gas sensing)
March 5-7, 2015
Toscanasaal in the Residence of Würzburg
Würzburg, Germany
March 8-12, 2015
Ernest N. Morial Convention Center
New Orleans, Louisana, USA
FPD China 2015
March 17-19, 2015
Shanghai New International Expo Centre

SEMICON China 2015
March 17-19, 2015
Shanghai New International Expo Centre

LED Taiwan 2015
March 25-27, 2015
Taipei, Taiwan

Intersolar China
March 31-April 1, 2015
China International Exhibition Center (CIEC)
Beijing, China

SEMICON Southeast Asia 2015 (Formerly SEMICON Singapore)
April 22-24, 2015
Penang, Malaysia

Society of Vacuum Coaters TechCon
April 25-30, 2015
Santa Clara Convention Center
Santa Clara, California USA

East Africa Oil and Gas Expo
April 27-29, 2015
Nairobi, Kenya
Advanced Semiconductor Manufacturing Conference (ASMC 2015)
May 3-6, 2015
Saratoga Springs, New York

May 10-14, 2015
San Jose McEnery Convention Center
San Jose, California, USA

Sensors Expo & Conference
June 9-11, 2015
Long Beach Convention Center
Long Beach, CA

Intersolar Europe
June 10-12, 2015
Messe München
Munich, Germany

GAS2015 - 8th International Gas Analysis Symposium & Exhibition
June 10-12, 2015
Beurs-WTC Rotterdam
Rotterdam, the Netherlands

June 14-17, 2015
Gaylord National Hotel & Convention Center
Washington, DC, USA

June 15-19, 2015
Messe Frankfurt
Frankfurt am Main
June 17-18,  2015
Moscow, Russia
SEMICON West 2015
July 14-16, 2015
San Francisco, CA

Silicon Innovation Forum 2015
July 14, 2015
Moscone Center, San Francisco, CA  

Oil & Gas Africa Exhibition & Conference
August 27-29, 2015
Mlimani Conference Centre,
Dar-es-Salaam, Tanzania

SEMICON Taiwan 2015
September 2-4, 2015
Taipei, Taiwan

SEMICON Europa 2015
October 6-8, 2015
Dresden, Germany

Chem Show
November 17-19, 2015
Javits Convention Center
New York, New York, USA

SEMICON Japan 2015
December 16-18, 2015
Tokyo, Japan

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