| 摘要 |
2132704 9319361 PCTABS00025 Phosphate ion-sensitive composition (18) and ion-selective electrode (10) are disclosed incorporating an ionophore having formula: (a) R1-X or (b) X-Z-X, wherein R1 is H or a hydrophobic substituent, Z is a spacing unit and X is represented by formula (I) wherein n = O or 1 and R2 and R'2 are independently selected from the group consisting of CH2, C(O) or C(S).
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