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生漆又称天然漆、国漆,产于我国和印度、我省富有生漆资源。开发利用生漆具有广阔前景。日本日色和夫等以生漆为膜基质研制硝酸根电极、高氯酸根等漆膜电极,但制膜干燥慢、要求苛刻。本文采用我省生漆经乙醇纯化后和PVC作为膜基质,以乙基紫高碘酸缔合物为电活性物质,研制了高碘酸根涂碳漆膜电极。本电极与国外漆膜电极相比,具有漆膜干燥快等优点。以此电极作检测器,用动力学方法测定柠檬酸中酒石酸含量,结果满意。1 主要仪器和试剂
Health lacquer, also known as natural lacquer, lacquer, produced in China and India, the province rich lacquer resources. Development and utilization of lacquer has broad prospects. Japan and Kazuo Husband and other paint to the substrate for the development of nitrate nitrate electrode, perchlorate and other paint film electrode, but the film drying slowly, demanding. In this paper, the lacquer of our province was purified by ethanol and PVC was used as the membrane substrate, and the ethyl violet periodic acid complex was used as the electroactive material to develop the periodate coated carbon film electrode. Compared with the foreign film electrode, the electrode has the advantages of fast film drying and the like. Using this electrode as detector, the content of tartaric acid in citric acid was determined by kinetic method and the results were satisfactory. 1 main equipment and reagents