Calibration for Humid Conditions

Gas analyzer or detector calibration is more effective when the gas standard closely matches conditions of analysis. Percent relative humidity (%RH) in the environment can affect analytical readings as well as contaminate or shorten the lifespan of the detector. To be sure you are calibrating to the same conditions as exposure, you need to create calibration gas that relates to the operational environment.

KIN-TEK Analytical, Inc. offers the FlexStream^TM Base Module paired with the FlexStream^TM Humidified Gas Module as a solution for dynamically creating variable %RH from 30% to 90% (depending on the application) for accurate calibration of gas analytical and detection devices. The FlexSteam^TM System can be operated through FlexLink^TMsoftware (provided) or by local touchscreen integration. Gas standards using selected permeation tubes are created in the FlexStream^TM Base Module and are combined with humidity vapor from the humidified gas module.

The %RH is varied by the ratio of dry to wet gas measured and controlled as it passes an external sensor situated close to the point of detection. System automation controls the %RH to +/- 3% and data is logged to a file. The user can decide between Zero gas %RH or Span gas %RH (with permeation tube gas combined in the gas stream). Comparison studies of detector exposure with and without humidity at different levels are easily done.

Take the guess work out of your gas calibration and put the control at your fingertips. Contact us for a quote today. 

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The “How It Works – Troubleshooting Series” provides simple troubleshooting techniques to optimize your gas standard generator.

Calibration Gas Standards for Food Flavorings and Additives

The health and environmental impacts of food additives and preservatives are becoming more prominent. To ensure that foodstuffs meet quality and regulatory guidelines, proper calibration of analyzers for these additives is required. Among the common additives are flavorings like Vanillin, Eugenol and d-Limonene, Terpenes like α-pinene and β-pinene, and preservatives like benzoic acid. While many standards for foodstuffs are provided in liquids for Liquid Chromatography analysis, KIN-TEK Analytical, Inc. has developed permeation tubes for creating gas standards that are easily quantifiable for calibration of gas chromatographs, GC/MS, or other gas detection devices.

The Trace Source™ Permeation Tube technology is employed in KIN-TEK’s Gas Standard Generators to provide accurate, on-demand calibration standards. Each permeation tube and gas standard generator include a Calibration Certificate traceable to the National Institute of Standards and Technology (NIST). KIN-TEK delivers trace gas calibration product solutions and services worldwide and offers over 550 types of chemical gas standards.

Visit www.kin-tek.com for more information or email [email protected].

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Gas Standards for Chemical Warfare Agent (CWA) Simulants

Recent world events have reinforced the need for accurate detection and analysis of trace concentration Chemical Warfare Agents (CWAs).

Calibrating analytical devices using real agents is dangerous and difficult so simulants such as Dimethyl methylphosphonate (DMMP) and Diisopropylmethylphosphonate (DIMP) are used as G-agent simulants and Methyl salicylate (MS) and 2-Chloroethyl ethyl sulfide (CEES) are simulants for HD agents.

KIN-TEK Analytical, Inc. offers several CWA simulants for calibrating detectors or researching new methods of rapid detection. Trace Source disposable permeation tubes used within a FlexStream™ Permeation System provide an excellent method for creating high quality gas standards. Dilution of the output gas from the permeation tube provides step changes for creating a calibration curve of different concentrations. Secondary dilution capability with the addition of controlled %RH humidified gas in the right matrix provides the best combination to test for real life detection scenarios that would occur in humid environments.

With increased interest in space flight and exploration, monitoring and controlling propulsion compounds and resulting pollutants is critical.  Many space propulsion compounds are hypergolic propellants such as Hydrazine, Methyl hydrazine, and Aniline and their resulting atmospheric pollutants, such as Hydrogen chloride, Carbon monoxide/dioxide, and Ethane need to be monitored and analyzed.

KIN-TEK Analytical, Inc. offers over 550 compounds in Trace Source™ permeation tubes for use in gas standard generators. Trace Source™ permeation tubes are easy to use and safe to handle and create precise gas standards for calibrating monitoring and detection devices.  For a full list of products visit www.kin-tek.com.