NANOCOLOR tube testsTube test NANOCOLOR COD 1500


Tube test for the determination of COD. Precise rapid tests for all kind of water and waste water samples according to ISO 15705. Time-saving and reliable analysis together with our NANOCOLOR photometers.


Package unit 20 Test(s)

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Hazardous material No
Method Filtration
Type Syringe filter, labeled
Housing type Wheel-like shaped housing
Hardware Polypropylene (PP) housing with filter membrane
Membrane type Regenerated cellulose (RC)
Membrane properties Hydrophilic
Membrane diameter 13 mm
Membrane pore size 0.2 µm
Code type Labeled
Color code (top) Labeled
Color code (bottom) Colorless
Inlet Luer lock (top)
Outlet Luer tip (bottom)
Sample volume 1 ≤ 5 mL
Recommended application(s) Suitable for aqueous, polar, hydrophilic as well as mid-polar samples with low particle-load, Suitable for UHPLC, core-shell and HPLC columns packed with particles < 3 µm, GC, SFC
Sterile No
Binding capacity (proteins) Low (84 µg / 25 mm)
Dead volume 30 µL
Filtration area 4.91 cm²
Storage temperature RT
COD – Chemical oxygen demand

The chemical oxygen demand (COD) is one of the most important parameters for the assessment of industrial and municipal wastewater. As a cumulative parameter, COD determines all chemically oxidizable components present in water. Hence, this includes not only biodegradable substances (as in the BOD5), but also chemical compounds that cannot be determined by biological oxidation (e.g. nitrogen compounds such as nitrites). It has also the advantage of a faster availability compared to BOD. The COD indicates the contamination of a water sample. It is therefore also used as an evaluation parameter to determine pollution units in discharges under the German Wastewater Charges Act. By definition (ISO 15705), the COD is the concentration of oxygen that is equivalent to the mass of potassium dichromate that is consumed in total oxidation of organic substances present in the water sample. Mercury sulfate and silver sulfate as well as sulfuric acid are listed as auxiliary reagents.

How to perform the NANOCOLOR COD tube test

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