Method 5030 & 5030-5035 Compliant Purge & Trap

Method 5030 & 5030-5035 Compliant Purge & Trap

  • Built into the GC for lower dead volume and better peak shape—no transfer line!
  • Two independently heated Adsorbent Traps
  • EPA Methods Compliant
  • PeakSimple Control

Don't waste your money on your next Gas Chromatograph System purchase. Get Your FREE New Gas Chromatograph System Purchasing Guide Here.

For more information or to place an offline order call 1-800-745-2710


We Accept Trade-ins!

Don’t forget to tell us about any unused

instruments taking up space in your lab.


Built into the Model 8610C GC, the SRI Purge & Trap concentrates the volatile organic compounds (VOCs) in a gas, water, or soil sample onto two adsorbent traps, from which they are automatically desorbed onto the GC column. The Method 5030/5035 Compliant Purge & Trap is equipped with interchangeable purge heads. The 5035 purge head is a thermostatted (typically 40oC) sleeve which accepts standard 40mL VOA vials. The entire sleeve is mechanically agitated while purging to comply with the requirements of EPA Method 5035. The 5030 purge head uses low-cost, disposable 16mm test tubes which are purged at ambient temperature. For higher level soil samples or soil/methanol extractions, the test tube is more convenient and less expensive than VOA vials.

Operation of the Purge & Trap is completely automated by the PeakSimple data system that is built into the GC. Run parameters such as purge time, desorb heat, bake-out, vial temperature, and mechanical agitation are adjusted in a PeakSimple Event table.

The SRI Purge & Trap is unique because it is equipped with two traps rather than one, and each trap can be heated independently at the adsorption temperature (typically 35-70oC), the desorption temperature (200oC), and the bake-out temperature (250oC). For most VOC applications, the first trap is Tenax-GR, and the second trap is Carbon Molecular Sieve. By setting the adsorption temperature of the Carbon MoleSieve to 50-60oC and the Tenax-GR to 35oC, water retention is dramatically reduced. By staggering desorption times, early eluting peaks from the hot Carbon MoleSieve trap are refocused on the temporarily cold Tenax-GR trap, resulting in much sharper peaks than otherwise possible.

By comparing the relative response, the three detectors make peak identification and confirmation easy. The FID responds to all hydrocarbons, the PID responds to some hydrocarbons and all aromatics, and the DELCD responds to halogens only.

The DELCD chromatogram is shown below in more detail. The DELCD is completely selective for compounds containing chlorine and/or bromine. Other analytes do not respond at all, even at very high levels. The DELCD actually operates on the FID's exhaust gases; therefore, all contaminants are pre-combusted by the FID to CO2 and H2O.

The first few peaks in the 8021 standard, including vinyl chloride, are of special interest to many analysts. The chromatogram on the right shows the expanded detail of the first few peaks in the analysis (the VOC gases). Note the exceptionally good resolution and peak shape delivered by the SRI system with its dual trap technology.

Available Models: 8690-0052 Method 5030/5035 Compliant Purge & Trap with interchangeable purge heads $ 7,995.00 8690-0051 Method 5030 Compliant Purge & Trap $ 6,495.00

GMI Certified Service means:
  • Healthy operation of your instrument
  • Helping to ensure the quality of your results
  • Lowering cost of ownership through multilple service agreement options
  • Prolonging instrument serviceable life
  • Safe Operation of your equipment
  • Minimizing downtime increases productivity and minimizes revenue loss
  • Instrument Evaluation Services
  • Contract Refurbishing
  • Relocation Services
  • Equipment Finder Service
  • Training Courses
  • Depot Repair
  • Instrument Decommisioning & Disposal Services
Service Agreements

Preventative Maintenance Visit
('tune up', including cleaning, lubrication, and adjustments)
1 Service Visit
Service Visit 1PM
1 Service Visit
1 2
Parts and Labor    

Discounted Parts
Discounted Labor (As needed)

Lab Equipment Replacement Parts & Accessories

Click button to view parts which are available for this instruments and instruments like it in our brand new online parts shop.

We also carry instruments parts for the following other instruments categories.


Your trusted source for new, factory clearance & certified pre-owned lab instruments since 1995.

  • We routinely save discerning laboratories 30-80% with our recertified pre-owned and factory clearance instrument offerings.

  • Quality? ISO 9001:2008 certified means we remove 100% of the risk in buying ‘used’ laboratory equipment.

  • Warranties from 90 days to a year as well as multi-year service agreements are available.

GMI is an ISO 9001:2008 certified company - proof that your instruments pass through a rigorous re-certification process to ensure that it arrives at your laboratory defect-free and in full working order.
We are neither an auction company nor an instrumentation broker. GMI employs our own factory-trained engineers to ensure full control of this process.
Unlike small-time businesses and brokers, GMI goes beyond offering money-back promises. We offer real product warranties.
Apart from our meticulous inspection processes, GMI’s available warranties and multi-year service agreements guarantee customer satisfaction - no need to go through frustrating and time-consuming product returns!
Additionally, all items are thoroughly cleaned and professionally packaged/crated with care to insure they arrive in your lab ready for use.