用四 (对 二硫杂环己烯 )四氮杂噗啉铁 (Ⅱ )作敏感材料的传感器对氨气具有较好的敏感性和选择性 .当工作电压为 1 5V时 ,该传感器的输出信号对氨气浓度呈线性响应 ,线性范围为 1 .5× 1 0 -5 ～ 8.5× 1 0 -5 mol·L-1.响应时间和恢复时间与敏感层厚度相关 ,当敏感层厚度为 0 .0 5mm时 ,响应时间为 1 5s ,恢复时间为 30s ;传感器平均回收率为 99.9% .在微量氨的定量分析方面有一定的应用前景 The sensor with tetrakis (p-dithiane) tetrazepine iron (Ⅱ) as sensitive material has better sensitivity and selectivity to ammonia gas. When the operating voltage is 1 5V, the output of the sensor The linear range of the signal to ammonia concentration was 1.5 × 10 -5 ~ 8.5 × 10 -5 mol·L -1 .The response time and recovery time were related to the thickness of the sensitive layer. When the thickness of the sensitive layer was 0 .0 5mm, the response time of 15s, the recovery time of 30s; sensor average recovery rate of 99.9%. In the quantitative analysis of trace ammonia has some applications