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AOF/TOF and TOX/AOX

Pre-Packed GAC Columns and Consumables 

Comprehensive solutions for adsorption-based analysis, including AOF (EPA Method 1621), TOX, and AOX workflows.. 


CPI International manufactures pre-packed GAC columns and consumables used in adsorption-based analytical methods for total organic fluorine (AOF), total organic halogens (TOX), and adsorbable organic halogens (AOX).

  • Consistent, low-background adsorption performance
  • Broad compatibility across leading analyzer platforms
  • Reliable supply with shorter lead times
  • Lower cost per test compared to typical market alternatives

Essential consumables. One source. Ready when you are.

2026 Variant Price List
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AOF/TOF and TOX/AOX

[634-009F] Pre-Packed GAC Column for AOF EPA Method 1621
Pre-Packed GAC Column for AOF
Item No.: 634-009F
Analytik Jena Type, 4mm x 6mm x 18mm Quartz Glass, 100/pack
$ 249.00 249.0 USD
[634-004E-F] Pre-Packed GAC Column for AOF EPA Method 1621
Pre-Packed GAC Column for AOF
Item No.: 634-004E-F
Euroglas Type, 6mm x 3mm x 47mm, 100/pack
$ 249.00 249.0 USD
[4010-010031F] Pre-Packed GAC Column for AOF EPA Method 1621
Pre-Packed GAC Column for AOF
Item No.: 4010-010031F
Nittoseiko/Mandel (previously Cosa/Mitsubishi®), 9mm x 3mm x 40mm, 100/pack
$ 249.00 249.0 USD