Citation:
Zhuang Yunlong, Qi Deyao. THE RESPONSE CHARACTERISTICS OF LITHIUM ION-SELECTIVE MICROELECTRODE IN BIOLOGICAL BODY FLUIDS[J]. Chinese Journal of Applied Chemistry,
;1989, 6(2): 63-66.
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A new PVC lithium ion-selective microelectrode based on potassium tetraphenylborate (KTPB) or sodium tetraphenylborate (NaTPB) and plasticized by di-(n-octyl)-phenylphos-phonate (DOPP) has been constructed. The microelectrode based on KTPB has lower detection limit and better selectivity characteristics for bivalent ions, but the microelcetrode based on NaTPB has lower membrane resistance. The response characteristics of microelectrode for different concentrations in Li+ has been examined experimenetally in synthetic intracellular solution,serum and physiological saline.
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