n.靛酚，靛酚染料
Indophenol blue spectrophotometry and Nessler's Reagent in the lower and higher concentrations , are of greater error.
靛酚蓝分光光度法和纳氏试剂分光光度法测定室内空气中的氨在较高和较低浓度下差异较大.
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