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本文介绍了一种可直接用于原位测定糊状物和半固体的全固态复合Ag/Ag2S-pS传感器,研究了该传感器的制备工艺、性能、测试条件等。该pS传感器的响应范围是1.0×10-1～1.0×10-5mol/L,检测限达到5.25×10-6mol/L,与商品硫电极相比,相对误差小于8.7%。
In this paper, an all-solid Ag / Ag2S-pS sensor that can be directly used for in-situ determination of paste and semi-solid is introduced. The preparation process, performance and test conditions of the sensor are also studied. The response range of the pS sensor is 1.0 × 10-1 ~ 1.0 × 10-5mol / L, and the detection limit is 5.25 × 10-6mol / L. Compared with the commercial sulfur electrode, the relative error is less than 8.7%.