MN NANOCOLOR® Tube Test total Nitrogen TNb 220
Description
Photometric determination of total nitrogen.
• Oxidative decomposition in the heating block with subsequent interference compensation and photometric determination with 2,6-dimethylphenol in sulphuric acid / phosphoric acid mixture.
• All organic and inorganic nitrogen containing substances are oxidised to nitrate in acidic solution. In acidic solution nitrate ions react with 2,6-dimethylphenol to form 4-nitro-2,6-dimethylphenol, which can be evaluated photometrically.
• Reaction basis analog to DIN EN ISO 11905-1.
• Type: tube test 0-88
• Range: 5 - 220 mg/l N
• Sufficient for: 20 determinations
• Sea water suitability: no
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