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Custom Reference Standards

TOX/AOX and TOF/AOF

Pre-Packed GAC Columns and Consumables 

Comprehensive solutions for adsorption-based analysis - designed, manufactured, and stocked by CPI for consistent performance and cost-efficient workflows. 


CPI International is the leading U.S. manufacturer of pre-packed GAC columns and consumables used in adsorption-based analytical workflows, including TOX, AOX, and emerging contaminant testing.

  • Consistent, reliable adsorption performance
  • Broad compatibility across leading analyzer platforms
  • Stable supply and shorter lead times
  • A significantly lower cost per test compared to typical market alternatives

All products. One source. Ready when you are.


18 mm x 6 mm Quartz Tube
Item number 4010-402880009
21.00 21.0 USD
Adapter Kit, Dohrmann DX-20
Item number 4010-70
473.00 473.0 USD
Adapter Kit, 4010-69 Columns
Item number 4010-71
473.00 473.0 USD
5pk Orings for part #4010-0100081
Item number 4010-805
51.00 51.0 USD
Ceramic Wool Cutter
Item number 4010-010047
62.00 62.0 USD
249.00 249.0 USD
Ceramic Wool, White, 6x6 "
Item number 4010-010138
25.00 25.0 USD
249.00 249.0 USD
241.00 241.0 USD
615.00 615.0 USD
249.00 249.0 USD
249.00 249.0 USD
212.00 212.0 USD
249.00 249.0 USD
343.00 343.0 USD
Boat Guiding Quartz Tube AOX
Item number 4010-MODUL0009QTZ
287.00 287.0 USD
249.00 249.0 USD
Column Joiners 5/pk
Item number 4010-170
79.00 79.0 USD
39.90 39.9 USD
450.00 450.0 USD