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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

[4010-69] CPI-packed TOX Columns 3mm ID, for Dohrmann, 100/pk
CPI-packed TOX Columns 3mm ID, for Dohrmann, 100/pk
Item number 4010-69
$ 212.00 212.0 USD
[634-004E] Column Pre-packed Glass, 3mm ID, Euroglas Type, 100/pk
Column Pre-packed Glass, 3mm ID, Euroglas Type, 100/pk
Item number 634-004E
6mm x 3mm x 47mm, Euroglas Type, 100/pack
$ 249.00 249.0 USD
[634-009] Column, TOX, Analytik Jena Type, 100/pk
Column, TOX, Analytik Jena Type, 100/pk
Item number 634-009
$ 343.00 343.0 USD
[4600-0121C] 120-mL sterile coliform bottle, with thiosulfate, screw cap, tamper seal, (polystyrene), 100/pk
120-mL sterile coliform bottle, with thiosulfate, screw cap, tamper seal, (polystyrene), 100/pk
Item number 4600-0121C
$ 90.00 90.0 USD
[4010-MODUL0009QTZ] Boat Guiding Quartz Tube AOX
Boat Guiding Quartz Tube AOX
Item number 4010-MODUL0009QTZ
$ 287.00 287.0 USD
[634-004Y] Column Pre-packed glass 3mm ID, 6mm OD*
Column Pre-packed glass 3mm ID, 6mm OD*
Item number 634-004Y
$ 249.00 249.0 USD
[4010-170] Column Joiners 5/pk
Column Joiners 5/pk
Item number 4010-170
$ 79.00 79.0 USD
[4010-010134] Combustion Tube, Dohrmann 9x11.8x10.625"
Combustion Tube, Dohrmann 9x11.8x10.625"
Item number 4010-010134
$ 39.90 39.9 USD
[4010-770] Fittings & Teflon Washers for Dohrmann DX-20 5/pk*
Fittings & Teflon Washers for Dohrmann DX-20 5/pk*
Item number 4010-770
$ 450.00 450.0 USD
[4010-775] Diaphragm Puncturing Tool
Diaphragm Puncturing Tool
Item number 4010-775
$ 76.00 76.0 USD
[4010-67] Guide Tube
Guide Tube
Item number 4010-67
$ 38.00 38.0 USD
[4010-69F] Filter Housing 100/pack
Filter Housing 100/pack
Item number 4010-69F
$ 131.00 131.0 USD
[7500-120] GAC, <0.4ug/40mg, 100-200 mesh, 50g, 120ml vial
GAC, <0.4ug/40mg, 100-200 mesh, 50g, 120ml vial
Item number 7500-120
$ 665.00 665.0 USD
[4400-22224-500] Fluoride Standard 0.8 µg/mL, 500 mL
Fluoride Standard 0.8 µg/mL, 500 mL
Item Number 4400-22224-500
$ 54.00 54.0 USD
[4010-68] Guide Tube, AOX, Euroglass
Guide Tube, AOX, Euroglass
Item number 4010-68
$ 570.00 570.0 USD
[4010-PANAL0068] Furnace Tube Extra Oxygen (small)
Furnace Tube Extra Oxygen (small)
Item number 4010-PANAL0068
$ 665.00 665.0 USD
[P7700-1000] NextPette™ variable volume pipette 100 to 1000ul
NextPette™ variable volume pipette 100 to 1000ul
Item number P7700-1000
$ 356.00 356.0 USD
[4093-510201] iPette Plus Electronic Pipettor, 30-300ul, 110-220V, 50/60Hz, US Plug
iPette Plus Electronic Pipettor, 30-300ul, 110-220V, 50/60Hz, US Plug
Item number 4093-510201
$ 690.00 690.0 USD
[4093-510001] iPette Plus Electronic Pipettor, 0.5-10ul, 110-220V, 50/60Hz, US Plug
iPette Plus Electronic Pipettor, 0.5-10ul, 110-220V, 50/60Hz, US Plug
Item number 4093-510001
$ 690.00 690.0 USD
[4010-62] O-Ring for 4010-63, 4010-73 and 636-001 12/pk
O-Ring for 4010-63, 4010-73 and 636-001 12/pk
Item number 4010-62
$ 73.00 73.0 USD