MN NANOCOLOR® Tube Test COD 160 Hg-free
Description
Photometric determination of the COD without use of mercury salts.
• Photometric determination of decrease in chromate concentration after two hours and
oxidation with potassium dichromate/sulphuric acid/silver sulphate at 148 °C without use
of toxic mercury salts
• Chloride contents below 2000 mg/l are eliminated by a simple filtration pretreatment step
using a special cartridge and do not interfere.
• The chemical oxygen demand of a water is determined by silver-catalysed oxidation with
potassium dichromate/sulphuric acid at 148 °C during a two hour period.
• Type: tube test 0-26
• Range: 15 - 160 mg/l O2
• Sufficient for: 20 determinations
• Sea water suitability: no
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