Method of determining a concentration of nitrate

A method of determining a concentration of nitrate includes mixing an acid with a first mixture of an aldehyde, a chloride and a nitrate sample and/or a distilled water so as to obtain a second mixture. A phenol is reacted with the second mixture so as to develop a color in a third mixture after a r...

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1. Verfasser: RUDDE, HEINZ
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A method of determining a concentration of nitrate includes mixing an acid with a first mixture of an aldehyde, a chloride and a nitrate sample and/or a distilled water so as to obtain a second mixture. A phenol is reacted with the second mixture so as to develop a color in a third mixture after a reaction time. The concentration of nitrate is determined colorimetrically with the third mixture.