The accuracy can be optimized by strengthening quality control of critical factors in the process of test of ammonia density in indoor air with indophenol blue photometric method.

• 通过对室内空气中氨的靛酚蓝分光光度法检测的整个相关过程的影响因素进行质量控制,从而提高室内空气中氨浓度检测的准确性。