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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.


Diaphragm Puncturing Tool
Item number 4010-775
76.00 76.0 USD
Guide Tube
Item number 4010-67
38.00 38.0 USD
Filter Housing 100/pack
Item number 4010-69F
131.00 131.0 USD
665.00 665.0 USD
Guide Tube, AOX, Euroglass
Item number 4010-68
570.00 570.0 USD
Furnace Tube Extra Oxygen (small)
Item number 4010-PANAL0068
665.00 665.0 USD
73.00 73.0 USD
New Style DX2000 Type Pyrolysis Tube
Item number 4010-010021
897.00 897.0 USD
115.00 115.0 USD
Quartz Pyrolysis Tube DX-2000
Item number 4010-010020
351.00 351.0 USD
Pushrod for Sigma-10
Item number 4010-010051
349.00 349.0 USD
Pyrolysis Tube, Outer, TOX-100
Item number 4010-010130
716.00 716.0 USD
Sample Boat, Quartz (GAC) 1/pk
Item number 659-001
112.00 112.0 USD
Single Pyrolysis Tube
Item number 4010-010049
1,368.00 1368.0 USD
Sample Boat, Quartz (GAC) 10/pk
Item number 655-001
848.00 848.0 USD
905.00 905.0 USD
788.00 788.0 USD
Sample Boat, 1/pk DX-2000
Item number 4010-010010
81.00 81.0 USD
836.00 836.0 USD