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Custom Reference Standards

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.


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
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
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
10ml Pipette Tips, 100/pk
Item number P7700-T10M
79.00 79.0 USD
100.80 100.8 USD
180.00 180.0 USD
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
5ml Pipette Tips, 100/pk
Item number P7700-T5M
71.00 71.0 USD
Ceramic Wool Cutter
Item number 4010-010047
62.00 62.0 USD
Pre-Packed GAC Column for TOX/AOX, Capped
Item No.: 634-005
Euroglass Type, 3mm ID, 50mgC, 100/pk
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