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Under the conditions of reacting at 100°C for 8 min and irradiating with the infrared light for 15 min, methylene blue (MEB) could emit weak room temperature phosphorescence (RTP) on the cellulose acetate membrane (CAM) using Pb2+ as the ion perturber in the NH3‐NH4Cl (pH=9.80) solution. MEB was oxidized by H2O2, which caused the RTP of the system to enhance. Cu2+ could catalyze the reaction of H2...
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