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Acta Chimica Sinica ›› 1995, Vol. 53 ›› Issue (8): 801-804. Previous Articles Next Articles
Original Articles
刘学勇;马长勤;蒋德华;沈静兰
发布日期:
LIU XUEYONG;MA CHANGQIN;JIANG DEHUA;SHEN JINGLAN
Published:
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A new potassium ion selective electrode is proposed, in which the KTiOPO4 single crystal membrane is used as the electroactive material. The slope of response is determined to be 58mV/-lgak by means of computer fitting. The selective coefficients in relation to Na^+ is 4.0 ×10^-^4. The advantages of this electrode are that its slope can be hardly influenced by the variation of the pH value; its stability, repeatability and its long ilfetime as well.
Key words: ION SELECTIVE ELECTRODE, SINGLE CRYSTALS, OPTICAL MATERIAL
CLC Number:
O646
LIU XUEYONG;MA CHANGQIN;JIANG DEHUA;SHEN JINGLAN. Study on potassium-selective electrode using KTiOPO4 single crystal membrane as an ion carrier[J]. Acta Chimica Sinica, 1995, 53(8): 801-804.
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