Sorbent Tubes are sampling devices widely used in the field of Occupational Hygiene to sample hazardous gases and vapours in air. Developed in the specifications and varieties specified in the applicable International Standards for tests carried out to determine workplace air quality, these devices are indispensable instruments in Occupational Hygiene Measurement Laboratories and are also used today for diverse research purposes. Sorbent tubes are generally made of glass and contain various types of solid adsorbent material (sorbent). Commonly used sorbents include activated charcoal (activated carbon tubes), silica gel, and organic porous polymers such as Tenax and Amberlite XAD resins. Solid sorbents are selected to sample specific compounds in air. Sorbent Tubes, to collect samples, to air sampling pumps are connected.
A pump with a flow rate calibrated in "mL/min" is normally placed on a worker and secured using a tube holder. Measurement is performed for a predetermined duration (TWA = 8 hours) in accordance with the standard used for the sample. Subsequently, the tubes detached from the sampling pump are dispatched to the laboratory for analysis. As NOVEL,in our sorbent tubes we are pleased to share the developments with you:
Broader tube portfolio
- Including soda-lime / all silica gels / tenax / porapak / anasorb-747 / chromosorb-106 - Sorbent tubes with certificate of analysis - Serial numbers printed on the tubes; precise sorbent weight manufactured with high accuracy for uniform and reliable test results; highest sorbent material purity (no more contamination issues!) - Tube dimensions meeting all standards; high sorbent quality – particle and pore sizes compliant with standards - Suitable tube holder kits for all tubes
To examine Novel's sorbent tubes with their renewed specifications and options and to request a quotation, you can visit ourhere website.
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This article summarises the fundamental concepts, intended use, and practical considerations regarding developments in novel gas – voc sampling products sorbent tubes using NOVEL's technical content approach.
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Measurement range, environmental conditions, target parameters, and application objectives must be evaluated collectively. Product or methodology selection should not be based solely on a single technical parameter.
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The NOVEL Technical Team provides engineering assistance with measurement methodologies, instrument selection, and application-specific equipment evaluation.