ACTIVE GAS AND VAPOUR SAMPLING

Sorbent Tubes for Solvent Extraction

Air-Met Scientific offers a complete selection of SKC sorbent tubes designed specifically for solvent extraction specified in many OSHA, NIOSH, ASTM, and non-agency methods. 

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Sorbent tube sampling is the NIOSH/OSHA approved method for collecting most hazardous gases and vapours from the air. Federal law has established permissible exposure limits (PELs) for workers' exposures to a variety of airborne chemical hazards. These limits are specified in several ways: eight-hour time-weighted averages (TWAs), Short-Term Exposure Limits (STELs), and Ceiling values. Eight-hour TWA limits are specified for full-shift exposures. STELs are usually issued as 15-minute exposure limits and Ceiling values are issued as peak levels not to be exceeded at any time during the working day. Sorbent tubes have been established as a reliable tool for each of these sampling requirements.

Sorbent tubes are extremely easy to use. 

  1. Collect sample with a sorbent tube. 
    A sample is collected by opening a tube, connecting it to a sample pump, and pulling air through the tube with the pump. Airborne chemicals are trapped onto the surface of the sorbent. The tube is then sealed with push-on caps, and sent to a laboratory for analysis.
  2. Extract sample from sorbent. 
    Lab personnel remove the sorbent and extract the trapped chemical using solvents or heat.
  3. Analyse sample. 
    The sample extracted from the tube is analysed to determine the amount of chemical hazard present. A single tube may provide enough sample to permit several analyses.
SKC offers a complete family of sorbent tubes with over 140 available for testing many chemical hazards. 
  • Quality and reliability for compliance sampling
  • Consistent 20/40 mesh size of Anasorb??® CSC charcoal
  • Reproducible recoveries and low standard deviation
  • Large lots with consistent results
  • A complete line of tubes for occupational and ??environmental methods
Cat. No.  Description Cat. No.  Description
226-25 Sorbent Tube, 2 Anasorb CSC, Coconut Charcoal 226-59-03 Sorbent Tube, Porapak-Q
226-37 Sorbent Tube, 2 Anasorb CSC, Coconut Charcoal Tubes 226-59-04 Sorbent Tube, Porapak-R
226-40 Sorbent Tube, 2 Molecular Sieve (Triethanolamine) Tubes and 1 Oxidizer Tube 226-10-04 Sorbent Tube, Silica Gel
226-116A Sorbent Tube, 2 Porapak-T Tubes 226-15 Sorbent Tube, Silica Gel
226-35-02 Sorbent Tube, 2 Tenax Tubes 226-15GWS Sorbent Tube, Silica Gel
226-3002A Sorbent Tube, 2 XAD-2 tubes, both 10 x 110-mm size 226-47-01 Sorbent Tube, Silica Gel
226-97 Sorbent Tube, 3 XAD-7 Ttubes 226-48 Sorbent Tube, Silica Gel
226-18 Sorbent Tube, Alumina 226-22 Sorbent Tube, Silica Gel
226-49-108 Sorbent Tube, Anasorb 708 226-51 Sorbent Tube, Silica Gel
226-30-08 Sorbent Tube, Anasorb 708 226-10 Sorbent Tube, Silica Gel
226-75 Sorbent Tube, Anasorb 727 226-165A Sorbent Tube, Silica Gel (Mercuric Cyanide)
226-84 Sorbent Tube, Anasorb 747 226-191 Sorbent Tube, Silica Gel (o-Phenylenediamine)
226-81A Sorbent Tube, Anasorb 747 226-70A Sorbent Tube, Silica Gel (p-Methoxyphenol)
226-154 Sorbent Tube, Anasorb 747 226-55 Sorbent Tube, Silica Gel (Sodium Hydroxide)
226-83 Sorbent Tube, Anasorb 747 226-42 Sorbent Tube, Silica Gel (Sulfuric Acid)
226-80 Sorbent Tube, Anasorb 747 (Potassium Hydroxide) 226-53 Sorbent Tube, Silica Gel (Sulfuric Acid)
226-29 Sorbent Tube, Anasorb 747 (Sulfuric Acid) 226-176 Sorbent Tube, Silica Gel (Treated with Hydrochloric Acid)
226-178 Sorbent Tube, Anasorb 747, HBR (Hydrobromic Acid) Treated 226-193 Sorbent Tube, Silica Gel Treated with Methyl p-tolysulfoxide (MTSO) for PAA
226-171 Sorbent Tube, Anasorb 747/Tenax TA 226-199 Sorbent Tube, Silica Gel Treated with Methyl p-tolysulfoxide (MTSO) for PAA
226-17-1A Sorbent Tube, Anasorb C300, 6 x 70-mm size, 1 Section 226-183 Sorbent Tube, Silica Gel, for Diacetyl and Acetoin
226-17-3A Sorbent Tube, Anasorb C300, 8 x 110-mm size, 1 Section 226-10-03 Sorbent Tube, Silica Gel, Specially Cleaned
226-09 Sorbent Tube, Anasorb CSC, Coconut Charcoal 226-10-06 Sorbent Tube, Silica Gel, Sulfuric Acid
226-01 Sorbent Tube, Anasorb CSC, Coconut Charcoal 226-61A Sorbent Tube, Silica Gel/Charcoal (Charcoal Treated with Sodium Hydroxide)
226-09-02 Sorbent Tube, Anasorb CSC, Coconut Charcoal 226-61 Sorbent Tube, Silica Gel/Charcoal (Charcoal Treated with Sodium Hydroxide)
226-01A Sorbent Tube, Anasorb CSC, Coconut Charcoal 226-28 Sorbent Tube, Soda Lime
226-09-BULK Sorbent Tube, Anasorb CSC, Coconut Charcoal 226-35-03 Sorbent Tube, Tenax
226-01-BULK Sorbent Tube, Anasorb CSC, Coconut Charcoal 226-35031 Sorbent Tube, Tenax
226-01GWS Sorbent Tube, Anasorb CSC, Coconut Charcoal 226-35 Sorbent Tube, Tenax TA
226-67 Sorbent Tube, Anasorb CSC, Coconut Charcoal (Potassium Hydroxide) 226-35-01 Sorbent Tube, Tenax TA
226-73 Sorbent Tube, Anasorb CSC, Coconut Charcoal (t-Butylcatechol) 226-82 Sorbent Tube, Two Anasorb 747 Tubes
226-16 Sorbent Tube, Anasorb CSC, Coconut Charcoal, 10 x 110-mm size, 2 Sections 226-30 Sorbent Tube, XAD-2
226-16-02 Sorbent Tube, Anasorb CSC, Coconut Charcoal, 10 x 160-mm size, 2 Sections 226-117 Sorbent Tube, XAD-2 (2-Hydroxymethyl Piperidine)
226-196 Sorbent Tube, Anasorb CSC, Treated with t-Butylcatechol 226-118 Sorbent Tube, XAD-2 (2-Hydroxymethyl Piperidine)
226-142 Sorbent Tube, Carbon Beads/PTFE Filter 226-54 Sorbent Tube, XAD-2 (2-Hydroxymethyl Piperidine)
226-151 Sorbent Tube, Charcoal (Proprietary Coating) 226-27 Sorbent Tube, XAD-2 (2-Hydroxymethyl Piperidine)
226-68 Sorbent Tube, Charcoal, JXC, Drierite (Hydroquinone) 226-30-18 Sorbent Tube, XAD-2 (Naphthylisothiocyanate)
226-49-102 Sorbent Tube, Chromosorb 102 226-30-07 Sorbent Tube, XAD-2 (p-Anisidine)
226-49-106 Sorbent Tube, Chromosorb 106 226-30-04 Sorbent Tube, XAD-2, 8 x 110-mm size
226-107 Sorbent Tube, Chromosorb-102 226-30-05 Sorbent Tube, XAD-2, 8 x 110-mm size
226-106A Sorbent Tube, Chromosorb-102 226-30-06 Sorbent Tube, XAD-2, 8 x 110-mm size
226-110 Sorbent Tube, Chromosorb-106 226-30-03 Sorbent Tube, XAD-2, 8 x 110-mm size
226-111A Sorbent Tube, Chromosorb-106 226-23 Sorbent Tube, XAD-2, Octanoic Acid
226-42-02 Sorbent Tube, Firebrick (Sulfuric Acid) 226-192 Sorbent Tube, XAD-2/XAD-2/Anasorb CSC
226-39 Sorbent Tube, Florisil 226-93 Sorbent Tube, XAD-4
226-39-02 Sorbent Tube, Florisil 226-170 Sorbent Tube, XAD-4
226-177 Sorbent Tube, for Hydrogen Sulfide 226-175 Sorbent Tube, XAD-4
226-120 Sorbent Tube, High Purity Silica Gel 226-93 Sorbent Tube, XAD-4
226-119 Sorbent Tube, High-purity Silica Gel 226-94 Sorbent Tube, XAD-7
226-119-7 Sorbent Tube, High-purity Silica Gel 226-95 Sorbent Tube, XAD-7
226-188 Sorbent Tube, High-purity Silica Gel (Ultra-low Background) 226-98 Sorbent Tube, XAD-7 (Phosphoric Acid)
226-36 Sorbent Tube, JXC Charcoal 226-96 Sorbent Tube, XAD-7 ([NBD] Chloride)
226-40-02 Sorbent Tube, Molecular Sieve (Triethanolamine)    
226-182 Sorbent Tube, Molecular Sieve, for Nitric Oxide and Nitrogen Dioxide    
226-186 Sorbent Tube, Oxidizer    
226-59-01 Sorbent Tube, Porapak-N    
226-114 Sorbent Tube, Porapak-P    
226-115 Sorbent Tube, Porapak-Q    


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