The use of substituted hydrazones as metallochromic indicators: the EDTA titration of copper.
D003124:Colorimetry; D003300:Copper / Q000032:analysis*; D004492:Edetic Acid; D006835:Hydrazones; D006863:Hydrogen-Ion Concentration; D007202:Indicators and Reagents; D010617:Phenanthridines; D011725:Pyridines; D011804:Quinolines; D013844:Thiazoles
D006835:Hydrazones; D007202:Indicators and Reagents; D010617:Phenanthridines; D011725:Pyridines; D011804:Quinolines; D013844:Thiazoles; D003300:Copper; D004492:Edetic Acid