False UNITY 1 series1 Major accessories available for existing UNITYseries 1 installations 1. ULTRAseries 2 autosampler range- multi-functional TDautosampler featuring:- capacity for up to 100 tubes ( versions available for either 3 ½ ” or 4 ½ ” long tubes); TubeTAGp 11compatibility; stringent sample sealing before and after desorption viapatented DiffLokp16caps; full compliance with key international standard methods. Adds to any series 1 or 2 UNITY. ULTRAseries 2 autosamplers can be configured with the following options: • TubeTAGread/ write option- reads RFIDtags attached to sorbent tubes and automatically inputs the information into the autosampler sequence table. After each analysis ULTRA2 can also write to the tube tag e. g. to change tube status and clear sample- specific data from the tag • 50: 50option- ULTRA2 can be factory configured with a 50: 50option for automated sample re- collection using a single TDautosampler. Can also be used to dry purge tubes prior to desorption/ analysis • Internal Standard/ Dry Purge ( ISDP) option- ULTRA2 can be factory configured with an ISDP option which allows an aliquot of gaseous internal standard to be added to each tube before desorption to aid analytical quality assurance. Can also be used to dry purge tubes prior to desorption/ analysis • 50: 50/ ISDP- both the 50: 50 option and the ISDP may be factory configured on the same ULTRA 2 unit 2.3- channel Air Server ( series 1) accessoryadds to UNITY1 to provide automated sequencing between up to 3 canisters, bags or on- line air/ gas lines 3. Series 1 Mass Flow Control accessory - allows the electronic mass flow control of UNITY 1 split flow. Facilitates independent selection of different split flows for all stages of TDoperation and allows automatic recall of desorption methods with different flow settings during an automatic sequence of operation For further information on all accessories available for UNITY series 1 please contact Markes International ( enquiries@ markes. com) or your local distributor. For information on spares and consumables for UNITY series 1 and associated accessories please see page 67. 1. Since February 2008 UNITY series 1 has been replaced by UNITY series 2, however key accessories are still available from Markes International to enhance your existing UNITY 1 installation 62 WW:: wwwwww.. mmaarrkkeess.- cuosma. comT: + 1 T( 8: 8+ 64) 4 4 ( 803) 51648443 ( 2U3S0A93to5 ll free) E: enquiries@ markes. com Instrument Spares

False UNITY series 2 Options and key accessories available for UNITY series 2 UNITY 2, Markes’ next generation thermal desorption platform, incorporates every system innovation of the last ten years and the field- proven reliability characteristic of all Markes’ instrumentation. UNITY 2 main features include: • Compatible with electronically- taggedp 11 or untagged tubes, ( versions available for 3 ½ ” or 4 ½ ” long tubes) • Provides a single platform for all TDapplications i. e. labile species, semi- volatiles ( up to n- C40), ultra- volatiles ( including C2H2and freons), trace levels ( ppt) and high concentrations( ppm/%) • Repeat analysis via SecureTD- Q overcomes the one- shot limitation of conventional TDsystems • Cryogen- free operation. Electrically- cooled sorbent trapping to - 30° C eliminates ice plug formation and reduces running costs • Full compliance with key international standard methods1i. e. no flow, ambient temperature leak test, pre- purge of air to vent, inert flow path, cryogen- free focusing trap etc. Accessories available for UNITYseries 2 include: • Electronic control of split and desorb flows-series 2 UNITY can be configured with one or two electronic mass flow controllers ( MFC) which provide versatile electronic control of both split and desorption flows. The MFCmodules also facilitate flow rate recall during an automated sequence with multiple TDmethods • ULTRAseries 2 autosampler range i. e. ULTRA 2 autosampler and associated options ( TubeTAG read/ write, ULTRA50: 50, ULTRAISDP and ULTRA50: 50 ISDP) available in either 3 ½ ” and 4 ½ ” versions • On- line/ canister accessories- a range of accessories for UNITY series 2 offering automated canister analysis and on- line air/ gas monitoring • 3- channel Air Server accessory ( 3 ½ ” or 4 ½ ”) • 8- channel Air Server accessory ( 3 ½ ” or 4 ½ ”) • 8- channel free standing Canister Interface Accessory ( 3 ½ ” and 4 ½ ”) with thermostatted flow paths and internal standard addition capability ( TO- 14/ TO- 15 compliant) Further information on all accessories available for UNITY series 2 is available on the Markes web site www. markes. com, in the relevant brochures2, direct from Markes International ( enquiries@ markes. com) or from your local distributor. For information on spares and consumables for UNITY series 2 and associated accessories please see page 66. 2 Series 2 UNITY thermal desorber, Series 2 ULTRAthermal desorption autosampler, Series 2 Air Server thermal desorber options 1. ENISO 16017, ISO16000- 6, ASTMD6196- 03, US EPAMethod TO- 17, NIOSH2549 etc. 63 WW:: wwwwww.. mmaarrkkeess.- cuosma. comT: + 1 T( 8: 8+ 64) 4 4 ( 803) 51648443 ( 2U3S0A93to5 ll free) E: enquiries@ markes. com Instrument Spares