Griess test
A presumptive colour test for nitrite and nitrate ions that uses a diazotisation-coupling reaction to produce a pink-to-red azo dye. Common in explosives field kits but cross-reactive with fertilisers and food residues.
A presumptive colour test for nitrite and nitrate ions that uses a diazotisation-coupling reaction to produce a pink-to-red azo dye. Common in explosives field kits but cross-reactive with fertilisers and food residues.
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